Description: Lemma for 4001prm . Calculate the GCD of 2 ^ 8 0 0 - 1 == 2 3 1 0 with N = 4 0 0 1 . (Contributed by Mario Carneiro, 3-Mar-2014) (Revised by Mario Carneiro, 20-Apr-2015) (Proof shortened by AV, 16-Sep-2021)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | 4001prm.1 | |- N = ; ; ; 4 0 0 1 | |
| Assertion | 4001lem4 | |- ( ( ( 2 ^ ; ; 8 0 0 ) - 1 ) gcd N ) = 1 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | 4001prm.1 | |- N = ; ; ; 4 0 0 1 | |
| 2 | 2nn | |- 2 e. NN | |
| 3 | 8nn0 | |- 8 e. NN0 | |
| 4 | 0nn0 | |- 0 e. NN0 | |
| 5 | 3 4 | deccl | |- ; 8 0 e. NN0 | 
| 6 | 5 4 | deccl | |- ; ; 8 0 0 e. NN0 | 
| 7 | nnexpcl | |- ( ( 2 e. NN /\ ; ; 8 0 0 e. NN0 ) -> ( 2 ^ ; ; 8 0 0 ) e. NN ) | |
| 8 | 2 6 7 | mp2an | |- ( 2 ^ ; ; 8 0 0 ) e. NN | 
| 9 | nnm1nn0 | |- ( ( 2 ^ ; ; 8 0 0 ) e. NN -> ( ( 2 ^ ; ; 8 0 0 ) - 1 ) e. NN0 ) | |
| 10 | 8 9 | ax-mp | |- ( ( 2 ^ ; ; 8 0 0 ) - 1 ) e. NN0 | 
| 11 | 2nn0 | |- 2 e. NN0 | |
| 12 | 3nn0 | |- 3 e. NN0 | |
| 13 | 11 12 | deccl | |- ; 2 3 e. NN0 | 
| 14 | 1nn0 | |- 1 e. NN0 | |
| 15 | 13 14 | deccl | |- ; ; 2 3 1 e. NN0 | 
| 16 | 15 4 | deccl | |- ; ; ; 2 3 1 0 e. NN0 | 
| 17 | 4nn0 | |- 4 e. NN0 | |
| 18 | 17 4 | deccl | |- ; 4 0 e. NN0 | 
| 19 | 18 4 | deccl | |- ; ; 4 0 0 e. NN0 | 
| 20 | 1nn | |- 1 e. NN | |
| 21 | 19 20 | decnncl | |- ; ; ; 4 0 0 1 e. NN | 
| 22 | 1 21 | eqeltri | |- N e. NN | 
| 23 | 1 | 4001lem2 | |- ( ( 2 ^ ; ; 8 0 0 ) mod N ) = ( ; ; ; 2 3 1 1 mod N ) | 
| 24 | 0p1e1 | |- ( 0 + 1 ) = 1 | |
| 25 | eqid | |- ; ; ; 2 3 1 0 = ; ; ; 2 3 1 0 | |
| 26 | 15 4 24 25 | decsuc | |- ( ; ; ; 2 3 1 0 + 1 ) = ; ; ; 2 3 1 1 | 
| 27 | 22 8 14 16 23 26 | modsubi | |- ( ( ( 2 ^ ; ; 8 0 0 ) - 1 ) mod N ) = ( ; ; ; 2 3 1 0 mod N ) | 
| 28 | 6nn0 | |- 6 e. NN0 | |
| 29 | 14 28 | deccl | |- ; 1 6 e. NN0 | 
| 30 | 9nn0 | |- 9 e. NN0 | |
| 31 | 29 30 | deccl | |- ; ; 1 6 9 e. NN0 | 
| 32 | 31 14 | deccl | |- ; ; ; 1 6 9 1 e. NN0 | 
| 33 | 28 14 | deccl | |- ; 6 1 e. NN0 | 
| 34 | 33 30 | deccl | |- ; ; 6 1 9 e. NN0 | 
| 35 | 5nn0 | |- 5 e. NN0 | |
| 36 | 17 35 | deccl | |- ; 4 5 e. NN0 | 
| 37 | 36 12 | deccl | |- ; ; 4 5 3 e. NN0 | 
| 38 | 29 28 | deccl | |- ; ; 1 6 6 e. NN0 | 
| 39 | 14 11 | deccl | |- ; 1 2 e. NN0 | 
| 40 | 39 14 | deccl | |- ; ; 1 2 1 e. NN0 | 
| 41 | 12 14 | deccl | |- ; 3 1 e. NN0 | 
| 42 | 14 17 | deccl | |- ; 1 4 e. NN0 | 
| 43 | 42 | nn0zi | |- ; 1 4 e. ZZ | 
| 44 | 12 | nn0zi | |- 3 e. ZZ | 
| 45 | gcdcom | |- ( ( ; 1 4 e. ZZ /\ 3 e. ZZ ) -> ( ; 1 4 gcd 3 ) = ( 3 gcd ; 1 4 ) ) | |
| 46 | 43 44 45 | mp2an | |- ( ; 1 4 gcd 3 ) = ( 3 gcd ; 1 4 ) | 
| 47 | 3nn | |- 3 e. NN | |
| 48 | 4cn | |- 4 e. CC | |
| 49 | 3cn | |- 3 e. CC | |
| 50 | 4t3e12 | |- ( 4 x. 3 ) = ; 1 2 | |
| 51 | 48 49 50 | mulcomli | |- ( 3 x. 4 ) = ; 1 2 | 
| 52 | 2p2e4 | |- ( 2 + 2 ) = 4 | |
| 53 | 14 11 11 51 52 | decaddi | |- ( ( 3 x. 4 ) + 2 ) = ; 1 4 | 
| 54 | 2lt3 | |- 2 < 3 | |
| 55 | 47 17 2 53 54 | ndvdsi | |- -. 3 || ; 1 4 | 
| 56 | 3prm | |- 3 e. Prime | |
| 57 | coprm | |- ( ( 3 e. Prime /\ ; 1 4 e. ZZ ) -> ( -. 3 || ; 1 4 <-> ( 3 gcd ; 1 4 ) = 1 ) ) | |
| 58 | 56 43 57 | mp2an | |- ( -. 3 || ; 1 4 <-> ( 3 gcd ; 1 4 ) = 1 ) | 
| 59 | 55 58 | mpbi | |- ( 3 gcd ; 1 4 ) = 1 | 
| 60 | 46 59 | eqtri | |- ( ; 1 4 gcd 3 ) = 1 | 
| 61 | eqid | |- ; 1 4 = ; 1 4 | |
| 62 | 12 | dec0h | |- 3 = ; 0 3 | 
| 63 | 2t1e2 | |- ( 2 x. 1 ) = 2 | |
| 64 | 63 24 | oveq12i | |- ( ( 2 x. 1 ) + ( 0 + 1 ) ) = ( 2 + 1 ) | 
| 65 | 2p1e3 | |- ( 2 + 1 ) = 3 | |
| 66 | 64 65 | eqtri | |- ( ( 2 x. 1 ) + ( 0 + 1 ) ) = 3 | 
| 67 | 2cn | |- 2 e. CC | |
| 68 | 4t2e8 | |- ( 4 x. 2 ) = 8 | |
| 69 | 48 67 68 | mulcomli | |- ( 2 x. 4 ) = 8 | 
| 70 | 69 | oveq1i | |- ( ( 2 x. 4 ) + 3 ) = ( 8 + 3 ) | 
| 71 | 8p3e11 | |- ( 8 + 3 ) = ; 1 1 | |
| 72 | 70 71 | eqtri | |- ( ( 2 x. 4 ) + 3 ) = ; 1 1 | 
| 73 | 14 17 4 12 61 62 11 14 14 66 72 | decma2c | |- ( ( 2 x. ; 1 4 ) + 3 ) = ; 3 1 | 
| 74 | 11 12 42 60 73 | gcdi | |- ( ; 3 1 gcd ; 1 4 ) = 1 | 
| 75 | eqid | |- ; 3 1 = ; 3 1 | |
| 76 | 49 | mullidi | |- ( 1 x. 3 ) = 3 | 
| 77 | ax-1cn | |- 1 e. CC | |
| 78 | 77 | addridi | |- ( 1 + 0 ) = 1 | 
| 79 | 76 78 | oveq12i | |- ( ( 1 x. 3 ) + ( 1 + 0 ) ) = ( 3 + 1 ) | 
| 80 | 3p1e4 | |- ( 3 + 1 ) = 4 | |
| 81 | 79 80 | eqtri | |- ( ( 1 x. 3 ) + ( 1 + 0 ) ) = 4 | 
| 82 | 1t1e1 | |- ( 1 x. 1 ) = 1 | |
| 83 | 82 | oveq1i | |- ( ( 1 x. 1 ) + 4 ) = ( 1 + 4 ) | 
| 84 | 4p1e5 | |- ( 4 + 1 ) = 5 | |
| 85 | 48 77 84 | addcomli | |- ( 1 + 4 ) = 5 | 
| 86 | 35 | dec0h | |- 5 = ; 0 5 | 
| 87 | 83 85 86 | 3eqtri | |- ( ( 1 x. 1 ) + 4 ) = ; 0 5 | 
| 88 | 12 14 14 17 75 61 14 35 4 81 87 | decma2c | |- ( ( 1 x. ; 3 1 ) + ; 1 4 ) = ; 4 5 | 
| 89 | 14 42 41 74 88 | gcdi | |- ( ; 4 5 gcd ; 3 1 ) = 1 | 
| 90 | eqid | |- ; 4 5 = ; 4 5 | |
| 91 | 69 80 | oveq12i | |- ( ( 2 x. 4 ) + ( 3 + 1 ) ) = ( 8 + 4 ) | 
| 92 | 8p4e12 | |- ( 8 + 4 ) = ; 1 2 | |
| 93 | 91 92 | eqtri | |- ( ( 2 x. 4 ) + ( 3 + 1 ) ) = ; 1 2 | 
| 94 | 5cn | |- 5 e. CC | |
| 95 | 5t2e10 | |- ( 5 x. 2 ) = ; 1 0 | |
| 96 | 94 67 95 | mulcomli | |- ( 2 x. 5 ) = ; 1 0 | 
| 97 | 14 4 24 96 | decsuc | |- ( ( 2 x. 5 ) + 1 ) = ; 1 1 | 
| 98 | 17 35 12 14 90 75 11 14 14 93 97 | decma2c | |- ( ( 2 x. ; 4 5 ) + ; 3 1 ) = ; ; 1 2 1 | 
| 99 | 11 41 36 89 98 | gcdi | |- ( ; ; 1 2 1 gcd ; 4 5 ) = 1 | 
| 100 | eqid | |- ; ; 1 2 1 = ; ; 1 2 1 | |
| 101 | eqid | |- ; 1 2 = ; 1 2 | |
| 102 | 48 | addridi | |- ( 4 + 0 ) = 4 | 
| 103 | 17 | dec0h | |- 4 = ; 0 4 | 
| 104 | 102 103 | eqtri | |- ( 4 + 0 ) = ; 0 4 | 
| 105 | 00id | |- ( 0 + 0 ) = 0 | |
| 106 | 82 105 | oveq12i | |- ( ( 1 x. 1 ) + ( 0 + 0 ) ) = ( 1 + 0 ) | 
| 107 | 106 78 | eqtri | |- ( ( 1 x. 1 ) + ( 0 + 0 ) ) = 1 | 
| 108 | 67 | mullidi | |- ( 1 x. 2 ) = 2 | 
| 109 | 108 | oveq1i | |- ( ( 1 x. 2 ) + 4 ) = ( 2 + 4 ) | 
| 110 | 4p2e6 | |- ( 4 + 2 ) = 6 | |
| 111 | 48 67 110 | addcomli | |- ( 2 + 4 ) = 6 | 
| 112 | 28 | dec0h | |- 6 = ; 0 6 | 
| 113 | 109 111 112 | 3eqtri | |- ( ( 1 x. 2 ) + 4 ) = ; 0 6 | 
| 114 | 14 11 4 17 101 104 14 28 4 107 113 | decma2c | |- ( ( 1 x. ; 1 2 ) + ( 4 + 0 ) ) = ; 1 6 | 
| 115 | 82 | oveq1i | |- ( ( 1 x. 1 ) + 5 ) = ( 1 + 5 ) | 
| 116 | 5p1e6 | |- ( 5 + 1 ) = 6 | |
| 117 | 94 77 116 | addcomli | |- ( 1 + 5 ) = 6 | 
| 118 | 115 117 112 | 3eqtri | |- ( ( 1 x. 1 ) + 5 ) = ; 0 6 | 
| 119 | 39 14 17 35 100 90 14 28 4 114 118 | decma2c | |- ( ( 1 x. ; ; 1 2 1 ) + ; 4 5 ) = ; ; 1 6 6 | 
| 120 | 14 36 40 99 119 | gcdi | |- ( ; ; 1 6 6 gcd ; ; 1 2 1 ) = 1 | 
| 121 | eqid | |- ; ; 1 6 6 = ; ; 1 6 6 | |
| 122 | eqid | |- ; 1 6 = ; 1 6 | |
| 123 | 14 11 65 101 | decsuc | |- ( ; 1 2 + 1 ) = ; 1 3 | 
| 124 | 1p1e2 | |- ( 1 + 1 ) = 2 | |
| 125 | 63 124 | oveq12i | |- ( ( 2 x. 1 ) + ( 1 + 1 ) ) = ( 2 + 2 ) | 
| 126 | 125 52 | eqtri | |- ( ( 2 x. 1 ) + ( 1 + 1 ) ) = 4 | 
| 127 | 6cn | |- 6 e. CC | |
| 128 | 6t2e12 | |- ( 6 x. 2 ) = ; 1 2 | |
| 129 | 127 67 128 | mulcomli | |- ( 2 x. 6 ) = ; 1 2 | 
| 130 | 3p2e5 | |- ( 3 + 2 ) = 5 | |
| 131 | 49 67 130 | addcomli | |- ( 2 + 3 ) = 5 | 
| 132 | 14 11 12 129 131 | decaddi | |- ( ( 2 x. 6 ) + 3 ) = ; 1 5 | 
| 133 | 14 28 14 12 122 123 11 35 14 126 132 | decma2c | |- ( ( 2 x. ; 1 6 ) + ( ; 1 2 + 1 ) ) = ; 4 5 | 
| 134 | 14 11 65 129 | decsuc | |- ( ( 2 x. 6 ) + 1 ) = ; 1 3 | 
| 135 | 29 28 39 14 121 100 11 12 14 133 134 | decma2c | |- ( ( 2 x. ; ; 1 6 6 ) + ; ; 1 2 1 ) = ; ; 4 5 3 | 
| 136 | 11 40 38 120 135 | gcdi | |- ( ; ; 4 5 3 gcd ; ; 1 6 6 ) = 1 | 
| 137 | eqid | |- ; ; 4 5 3 = ; ; 4 5 3 | |
| 138 | 29 | nn0cni | |- ; 1 6 e. CC | 
| 139 | 138 | addridi | |- ( ; 1 6 + 0 ) = ; 1 6 | 
| 140 | 48 | mullidi | |- ( 1 x. 4 ) = 4 | 
| 141 | 140 124 | oveq12i | |- ( ( 1 x. 4 ) + ( 1 + 1 ) ) = ( 4 + 2 ) | 
| 142 | 141 110 | eqtri | |- ( ( 1 x. 4 ) + ( 1 + 1 ) ) = 6 | 
| 143 | 94 | mullidi | |- ( 1 x. 5 ) = 5 | 
| 144 | 143 | oveq1i | |- ( ( 1 x. 5 ) + 6 ) = ( 5 + 6 ) | 
| 145 | 6p5e11 | |- ( 6 + 5 ) = ; 1 1 | |
| 146 | 127 94 145 | addcomli | |- ( 5 + 6 ) = ; 1 1 | 
| 147 | 144 146 | eqtri | |- ( ( 1 x. 5 ) + 6 ) = ; 1 1 | 
| 148 | 17 35 14 28 90 139 14 14 14 142 147 | decma2c | |- ( ( 1 x. ; 4 5 ) + ( ; 1 6 + 0 ) ) = ; 6 1 | 
| 149 | 76 | oveq1i | |- ( ( 1 x. 3 ) + 6 ) = ( 3 + 6 ) | 
| 150 | 6p3e9 | |- ( 6 + 3 ) = 9 | |
| 151 | 127 49 150 | addcomli | |- ( 3 + 6 ) = 9 | 
| 152 | 30 | dec0h | |- 9 = ; 0 9 | 
| 153 | 149 151 152 | 3eqtri | |- ( ( 1 x. 3 ) + 6 ) = ; 0 9 | 
| 154 | 36 12 29 28 137 121 14 30 4 148 153 | decma2c | |- ( ( 1 x. ; ; 4 5 3 ) + ; ; 1 6 6 ) = ; ; 6 1 9 | 
| 155 | 14 38 37 136 154 | gcdi | |- ( ; ; 6 1 9 gcd ; ; 4 5 3 ) = 1 | 
| 156 | eqid | |- ; ; 6 1 9 = ; ; 6 1 9 | |
| 157 | 7nn0 | |- 7 e. NN0 | |
| 158 | eqid | |- ; 6 1 = ; 6 1 | |
| 159 | 5p2e7 | |- ( 5 + 2 ) = 7 | |
| 160 | 17 35 11 90 159 | decaddi | |- ( ; 4 5 + 2 ) = ; 4 7 | 
| 161 | 102 | oveq2i | |- ( ( 2 x. 6 ) + ( 4 + 0 ) ) = ( ( 2 x. 6 ) + 4 ) | 
| 162 | 14 11 17 129 111 | decaddi | |- ( ( 2 x. 6 ) + 4 ) = ; 1 6 | 
| 163 | 161 162 | eqtri | |- ( ( 2 x. 6 ) + ( 4 + 0 ) ) = ; 1 6 | 
| 164 | 63 | oveq1i | |- ( ( 2 x. 1 ) + 7 ) = ( 2 + 7 ) | 
| 165 | 7cn | |- 7 e. CC | |
| 166 | 7p2e9 | |- ( 7 + 2 ) = 9 | |
| 167 | 165 67 166 | addcomli | |- ( 2 + 7 ) = 9 | 
| 168 | 164 167 152 | 3eqtri | |- ( ( 2 x. 1 ) + 7 ) = ; 0 9 | 
| 169 | 28 14 17 157 158 160 11 30 4 163 168 | decma2c | |- ( ( 2 x. ; 6 1 ) + ( ; 4 5 + 2 ) ) = ; ; 1 6 9 | 
| 170 | 9cn | |- 9 e. CC | |
| 171 | 9t2e18 | |- ( 9 x. 2 ) = ; 1 8 | |
| 172 | 170 67 171 | mulcomli | |- ( 2 x. 9 ) = ; 1 8 | 
| 173 | 14 3 12 172 124 14 71 | decaddci | |- ( ( 2 x. 9 ) + 3 ) = ; 2 1 | 
| 174 | 33 30 36 12 156 137 11 14 11 169 173 | decma2c | |- ( ( 2 x. ; ; 6 1 9 ) + ; ; 4 5 3 ) = ; ; ; 1 6 9 1 | 
| 175 | 11 37 34 155 174 | gcdi | |- ( ; ; ; 1 6 9 1 gcd ; ; 6 1 9 ) = 1 | 
| 176 | eqid | |- ; ; ; 1 6 9 1 = ; ; ; 1 6 9 1 | |
| 177 | eqid | |- ; ; 1 6 9 = ; ; 1 6 9 | |
| 178 | 28 14 124 158 | decsuc | |- ( ; 6 1 + 1 ) = ; 6 2 | 
| 179 | 6p1e7 | |- ( 6 + 1 ) = 7 | |
| 180 | 157 | dec0h | |- 7 = ; 0 7 | 
| 181 | 179 180 | eqtri | |- ( 6 + 1 ) = ; 0 7 | 
| 182 | 82 24 | oveq12i | |- ( ( 1 x. 1 ) + ( 0 + 1 ) ) = ( 1 + 1 ) | 
| 183 | 182 124 | eqtri | |- ( ( 1 x. 1 ) + ( 0 + 1 ) ) = 2 | 
| 184 | 127 | mullidi | |- ( 1 x. 6 ) = 6 | 
| 185 | 184 | oveq1i | |- ( ( 1 x. 6 ) + 7 ) = ( 6 + 7 ) | 
| 186 | 7p6e13 | |- ( 7 + 6 ) = ; 1 3 | |
| 187 | 165 127 186 | addcomli | |- ( 6 + 7 ) = ; 1 3 | 
| 188 | 185 187 | eqtri | |- ( ( 1 x. 6 ) + 7 ) = ; 1 3 | 
| 189 | 14 28 4 157 122 181 14 12 14 183 188 | decma2c | |- ( ( 1 x. ; 1 6 ) + ( 6 + 1 ) ) = ; 2 3 | 
| 190 | 170 | mullidi | |- ( 1 x. 9 ) = 9 | 
| 191 | 190 | oveq1i | |- ( ( 1 x. 9 ) + 2 ) = ( 9 + 2 ) | 
| 192 | 9p2e11 | |- ( 9 + 2 ) = ; 1 1 | |
| 193 | 191 192 | eqtri | |- ( ( 1 x. 9 ) + 2 ) = ; 1 1 | 
| 194 | 29 30 28 11 177 178 14 14 14 189 193 | decma2c | |- ( ( 1 x. ; ; 1 6 9 ) + ( ; 6 1 + 1 ) ) = ; ; 2 3 1 | 
| 195 | 82 | oveq1i | |- ( ( 1 x. 1 ) + 9 ) = ( 1 + 9 ) | 
| 196 | 9p1e10 | |- ( 9 + 1 ) = ; 1 0 | |
| 197 | 170 77 196 | addcomli | |- ( 1 + 9 ) = ; 1 0 | 
| 198 | 195 197 | eqtri | |- ( ( 1 x. 1 ) + 9 ) = ; 1 0 | 
| 199 | 31 14 33 30 176 156 14 4 14 194 198 | decma2c | |- ( ( 1 x. ; ; ; 1 6 9 1 ) + ; ; 6 1 9 ) = ; ; ; 2 3 1 0 | 
| 200 | 14 34 32 175 199 | gcdi | |- ( ; ; ; 2 3 1 0 gcd ; ; ; 1 6 9 1 ) = 1 | 
| 201 | eqid | |- ; ; 2 3 1 = ; ; 2 3 1 | |
| 202 | 31 | nn0cni | |- ; ; 1 6 9 e. CC | 
| 203 | 202 | addridi | |- ( ; ; 1 6 9 + 0 ) = ; ; 1 6 9 | 
| 204 | eqid | |- ; 2 3 = ; 2 3 | |
| 205 | 14 28 179 122 | decsuc | |- ( ; 1 6 + 1 ) = ; 1 7 | 
| 206 | 108 124 | oveq12i | |- ( ( 1 x. 2 ) + ( 1 + 1 ) ) = ( 2 + 2 ) | 
| 207 | 206 52 | eqtri | |- ( ( 1 x. 2 ) + ( 1 + 1 ) ) = 4 | 
| 208 | 76 | oveq1i | |- ( ( 1 x. 3 ) + 7 ) = ( 3 + 7 ) | 
| 209 | 7p3e10 | |- ( 7 + 3 ) = ; 1 0 | |
| 210 | 165 49 209 | addcomli | |- ( 3 + 7 ) = ; 1 0 | 
| 211 | 208 210 | eqtri | |- ( ( 1 x. 3 ) + 7 ) = ; 1 0 | 
| 212 | 11 12 14 157 204 205 14 4 14 207 211 | decma2c | |- ( ( 1 x. ; 2 3 ) + ( ; 1 6 + 1 ) ) = ; 4 0 | 
| 213 | 13 14 29 30 201 203 14 4 14 212 198 | decma2c | |- ( ( 1 x. ; ; 2 3 1 ) + ( ; ; 1 6 9 + 0 ) ) = ; ; 4 0 0 | 
| 214 | 77 | mul01i | |- ( 1 x. 0 ) = 0 | 
| 215 | 214 | oveq1i | |- ( ( 1 x. 0 ) + 1 ) = ( 0 + 1 ) | 
| 216 | 14 | dec0h | |- 1 = ; 0 1 | 
| 217 | 215 24 216 | 3eqtri | |- ( ( 1 x. 0 ) + 1 ) = ; 0 1 | 
| 218 | 15 4 31 14 25 176 14 14 4 213 217 | decma2c | |- ( ( 1 x. ; ; ; 2 3 1 0 ) + ; ; ; 1 6 9 1 ) = ; ; ; 4 0 0 1 | 
| 219 | 218 1 | eqtr4i | |- ( ( 1 x. ; ; ; 2 3 1 0 ) + ; ; ; 1 6 9 1 ) = N | 
| 220 | 14 32 16 200 219 | gcdi | |- ( N gcd ; ; ; 2 3 1 0 ) = 1 | 
| 221 | 10 16 22 27 220 | gcdmodi | |- ( ( ( 2 ^ ; ; 8 0 0 ) - 1 ) gcd N ) = 1 |