Metamath Proof Explorer


Theorem 4001lem4

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 = 4001
Assertion 4001lem4 ⊢ 2 800 − 1 gcd N = 1

Proof

Step Hyp Ref Expression
1 4001prm.1 ⊢ N = 4001
2 2nn ⊢ 2 ∈ ℕ
3 8nn0 ⊢ 8 ∈ ℕ 0
4 0nn0 ⊢ 0 ∈ ℕ 0
5 3 4 deccl ⊢ 80 ∈ ℕ 0
6 5 4 deccl ⊢ 800 ∈ ℕ 0
7 nnexpcl ⊢ 2 ∈ ℕ ∧ 800 ∈ ℕ 0 → 2 800 ∈ ℕ
8 2 6 7 mp2an ⊢ 2 800 ∈ ℕ
9 nnm1nn0 ⊢ 2 800 ∈ ℕ → 2 800 − 1 ∈ ℕ 0
10 8 9 ax-mp ⊢ 2 800 − 1 ∈ ℕ 0
11 2nn0 ⊢ 2 ∈ ℕ 0
12 3nn0 ⊢ 3 ∈ ℕ 0
13 11 12 deccl ⊢ 23 ∈ ℕ 0
14 1nn0 ⊢ 1 ∈ ℕ 0
15 13 14 deccl ⊢ 231 ∈ ℕ 0
16 15 4 deccl ⊢ 2310 ∈ ℕ 0
17 4nn0 ⊢ 4 ∈ ℕ 0
18 17 4 deccl ⊢ 40 ∈ ℕ 0
19 18 4 deccl ⊢ 400 ∈ ℕ 0
20 1nn ⊢ 1 ∈ ℕ
21 19 20 decnncl ⊢ 4001 ∈ ℕ
22 1 21 eqeltri ⊢ N ∈ ℕ
23 1 4001lem2 ⊢ 2 800 mod N = 2311 mod N
24 0p1e1 ⊢ 0 + 1 = 1
25 eqid ⊢ 2310 = 2310
26 15 4 24 25 decsuc ⊢ 2310 + 1 = 2311
27 22 8 14 16 23 26 modsubi ⊢ 2 800 − 1 mod N = 2310 mod N
28 6nn0 ⊢ 6 ∈ ℕ 0
29 14 28 deccl ⊢ 16 ∈ ℕ 0
30 9nn0 ⊢ 9 ∈ ℕ 0
31 29 30 deccl ⊢ 169 ∈ ℕ 0
32 31 14 deccl ⊢ 1691 ∈ ℕ 0
33 28 14 deccl ⊢ 61 ∈ ℕ 0
34 33 30 deccl ⊢ 619 ∈ ℕ 0
35 5nn0 ⊢ 5 ∈ ℕ 0
36 17 35 deccl ⊢ 45 ∈ ℕ 0
37 36 12 deccl ⊢ 453 ∈ ℕ 0
38 29 28 deccl ⊢ 166 ∈ ℕ 0
39 14 11 deccl ⊢ 12 ∈ ℕ 0
40 39 14 deccl ⊢ 121 ∈ ℕ 0
41 12 14 deccl ⊢ 31 ∈ ℕ 0
42 14 17 deccl ⊢ 14 ∈ ℕ 0
43 42 nn0zi ⊢ 14 ∈ ℤ
44 12 nn0zi ⊢ 3 ∈ ℤ
45 gcdcom ⊢ 14 ∈ ℤ ∧ 3 ∈ ℤ → 14 gcd 3 = 3 gcd 14
46 43 44 45 mp2an ⊢ 14 gcd 3 = 3 gcd 14
47 3nn ⊢ 3 ∈ ℕ
48 4cn ⊢ 4 ∈ ℂ
49 3cn ⊢ 3 ∈ ℂ
50 4t3e12 ⊢ 4 ⋅ 3 = 12
51 48 49 50 mulcomli ⊢ 3 ⋅ 4 = 12
52 2p2e4 ⊢ 2 + 2 = 4
53 14 11 11 51 52 decaddi ⊢ 3 ⋅ 4 + 2 = 14
54 2lt3 ⊢ 2 < 3
55 47 17 2 53 54 ndvdsi ⊢ ¬ 3 ∥ 14
56 3prm ⊢ 3 ∈ ℙ
57 coprm ⊢ 3 ∈ ℙ ∧ 14 ∈ ℤ → ¬ 3 ∥ 14 ↔ 3 gcd 14 = 1
58 56 43 57 mp2an ⊢ ¬ 3 ∥ 14 ↔ 3 gcd 14 = 1
59 55 58 mpbi ⊢ 3 gcd 14 = 1
60 46 59 eqtri ⊢ 14 gcd 3 = 1
61 eqid ⊢ 14 = 14
62 12 dec0h ⊢ 3 = 03
63 2t1e2 ⊢ 2 ⋅ 1 = 2
64 63 24 oveq12i ⊢ 2 ⋅ 1 + 0 + 1 = 2 + 1
65 2p1e3 ⊢ 2 + 1 = 3
66 64 65 eqtri ⊢ 2 ⋅ 1 + 0 + 1 = 3
67 2t4e8 ⊢ 2 ⋅ 4 = 8
68 67 oveq1i ⊢ 2 ⋅ 4 + 3 = 8 + 3
69 8p3e11 ⊢ 8 + 3 = 11
70 68 69 eqtri ⊢ 2 ⋅ 4 + 3 = 11
71 14 17 4 12 61 62 11 14 14 66 70 decma2c ⊢ 2 ⋅ 14 + 3 = 31
72 11 12 42 60 71 gcdi ⊢ 31 gcd 14 = 1
73 eqid ⊢ 31 = 31
74 49 mullidi ⊢ 1 ⋅ 3 = 3
75 ax-1cn ⊢ 1 ∈ ℂ
76 75 addridi ⊢ 1 + 0 = 1
77 74 76 oveq12i ⊢ 1 ⋅ 3 + 1 + 0 = 3 + 1
78 3p1e4 ⊢ 3 + 1 = 4
79 77 78 eqtri ⊢ 1 ⋅ 3 + 1 + 0 = 4
80 1t1e1 ⊢ 1 ⋅ 1 = 1
81 80 oveq1i ⊢ 1 ⋅ 1 + 4 = 1 + 4
82 4p1e5 ⊢ 4 + 1 = 5
83 48 75 82 addcomli ⊢ 1 + 4 = 5
84 35 dec0h ⊢ 5 = 05
85 81 83 84 3eqtri ⊢ 1 ⋅ 1 + 4 = 05
86 12 14 14 17 73 61 14 35 4 79 85 decma2c ⊢ 1 ⋅ 31 + 14 = 45
87 14 42 41 72 86 gcdi ⊢ 45 gcd 31 = 1
88 eqid ⊢ 45 = 45
89 67 78 oveq12i ⊢ 2 ⋅ 4 + 3 + 1 = 8 + 4
90 8p4e12 ⊢ 8 + 4 = 12
91 89 90 eqtri ⊢ 2 ⋅ 4 + 3 + 1 = 12
92 5cn ⊢ 5 ∈ ℂ
93 2cn ⊢ 2 ∈ ℂ
94 5t2e10 ⊢ 5 ⋅ 2 = 10
95 92 93 94 mulcomli ⊢ 2 ⋅ 5 = 10
96 14 4 24 95 decsuc ⊢ 2 ⋅ 5 + 1 = 11
97 17 35 12 14 88 73 11 14 14 91 96 decma2c ⊢ 2 ⋅ 45 + 31 = 121
98 11 41 36 87 97 gcdi ⊢ 121 gcd 45 = 1
99 eqid ⊢ 121 = 121
100 eqid ⊢ 12 = 12
101 48 addridi ⊢ 4 + 0 = 4
102 17 dec0h ⊢ 4 = 04
103 101 102 eqtri ⊢ 4 + 0 = 04
104 00id ⊢ 0 + 0 = 0
105 80 104 oveq12i ⊢ 1 ⋅ 1 + 0 + 0 = 1 + 0
106 105 76 eqtri ⊢ 1 ⋅ 1 + 0 + 0 = 1
107 93 mullidi ⊢ 1 ⋅ 2 = 2
108 107 oveq1i ⊢ 1 ⋅ 2 + 4 = 2 + 4
109 4p2e6 ⊢ 4 + 2 = 6
110 48 93 109 addcomli ⊢ 2 + 4 = 6
111 28 dec0h ⊢ 6 = 06
112 108 110 111 3eqtri ⊢ 1 ⋅ 2 + 4 = 06
113 14 11 4 17 100 103 14 28 4 106 112 decma2c ⊢ 1 ⋅ 12 + 4 + 0 = 16
114 80 oveq1i ⊢ 1 ⋅ 1 + 5 = 1 + 5
115 5p1e6 ⊢ 5 + 1 = 6
116 92 75 115 addcomli ⊢ 1 + 5 = 6
117 114 116 111 3eqtri ⊢ 1 ⋅ 1 + 5 = 06
118 39 14 17 35 99 88 14 28 4 113 117 decma2c ⊢ 1 ⋅ 121 + 45 = 166
119 14 36 40 98 118 gcdi ⊢ 166 gcd 121 = 1
120 eqid ⊢ 166 = 166
121 eqid ⊢ 16 = 16
122 14 11 65 100 decsuc ⊢ 12 + 1 = 13
123 1p1e2 ⊢ 1 + 1 = 2
124 63 123 oveq12i ⊢ 2 ⋅ 1 + 1 + 1 = 2 + 2
125 124 52 eqtri ⊢ 2 ⋅ 1 + 1 + 1 = 4
126 6cn ⊢ 6 ∈ ℂ
127 6t2e12 ⊢ 6 ⋅ 2 = 12
128 126 93 127 mulcomli ⊢ 2 ⋅ 6 = 12
129 3p2e5 ⊢ 3 + 2 = 5
130 49 93 129 addcomli ⊢ 2 + 3 = 5
131 14 11 12 128 130 decaddi ⊢ 2 ⋅ 6 + 3 = 15
132 14 28 14 12 121 122 11 35 14 125 131 decma2c ⊢ 2 ⋅ 16 + 12 + 1 = 45
133 14 11 65 128 decsuc ⊢ 2 ⋅ 6 + 1 = 13
134 29 28 39 14 120 99 11 12 14 132 133 decma2c ⊢ 2 ⋅ 166 + 121 = 453
135 11 40 38 119 134 gcdi ⊢ 453 gcd 166 = 1
136 eqid ⊢ 453 = 453
137 29 nn0cni ⊢ 16 ∈ ℂ
138 137 addridi ⊢ 16 + 0 = 16
139 48 mullidi ⊢ 1 ⋅ 4 = 4
140 139 123 oveq12i ⊢ 1 ⋅ 4 + 1 + 1 = 4 + 2
141 140 109 eqtri ⊢ 1 ⋅ 4 + 1 + 1 = 6
142 92 mullidi ⊢ 1 ⋅ 5 = 5
143 142 oveq1i ⊢ 1 ⋅ 5 + 6 = 5 + 6
144 6p5e11 ⊢ 6 + 5 = 11
145 126 92 144 addcomli ⊢ 5 + 6 = 11
146 143 145 eqtri ⊢ 1 ⋅ 5 + 6 = 11
147 17 35 14 28 88 138 14 14 14 141 146 decma2c ⊢ 1 ⋅ 45 + 16 + 0 = 61
148 74 oveq1i ⊢ 1 ⋅ 3 + 6 = 3 + 6
149 6p3e9 ⊢ 6 + 3 = 9
150 126 49 149 addcomli ⊢ 3 + 6 = 9
151 30 dec0h ⊢ 9 = 09
152 148 150 151 3eqtri ⊢ 1 ⋅ 3 + 6 = 09
153 36 12 29 28 136 120 14 30 4 147 152 decma2c ⊢ 1 ⋅ 453 + 166 = 619
154 14 38 37 135 153 gcdi ⊢ 619 gcd 453 = 1
155 eqid ⊢ 619 = 619
156 7nn0 ⊢ 7 ∈ ℕ 0
157 eqid ⊢ 61 = 61
158 5p2e7 ⊢ 5 + 2 = 7
159 17 35 11 88 158 decaddi ⊢ 45 + 2 = 47
160 101 oveq2i ⊢ 2 ⋅ 6 + 4 + 0 = 2 ⋅ 6 + 4
161 14 11 17 128 110 decaddi ⊢ 2 ⋅ 6 + 4 = 16
162 160 161 eqtri ⊢ 2 ⋅ 6 + 4 + 0 = 16
163 63 oveq1i ⊢ 2 ⋅ 1 + 7 = 2 + 7
164 7cn ⊢ 7 ∈ ℂ
165 7p2e9 ⊢ 7 + 2 = 9
166 164 93 165 addcomli ⊢ 2 + 7 = 9
167 163 166 151 3eqtri ⊢ 2 ⋅ 1 + 7 = 09
168 28 14 17 156 157 159 11 30 4 162 167 decma2c ⊢ 2 ⋅ 61 + 45 + 2 = 169
169 9cn ⊢ 9 ∈ ℂ
170 9t2e18 ⊢ 9 ⋅ 2 = 18
171 169 93 170 mulcomli ⊢ 2 ⋅ 9 = 18
172 14 3 12 171 123 14 69 decaddci ⊢ 2 ⋅ 9 + 3 = 21
173 33 30 36 12 155 136 11 14 11 168 172 decma2c ⊢ 2 ⋅ 619 + 453 = 1691
174 11 37 34 154 173 gcdi ⊢ 1691 gcd 619 = 1
175 eqid ⊢ 1691 = 1691
176 eqid ⊢ 169 = 169
177 28 14 123 157 decsuc ⊢ 61 + 1 = 62
178 6p1e7 ⊢ 6 + 1 = 7
179 156 dec0h ⊢ 7 = 07
180 178 179 eqtri ⊢ 6 + 1 = 07
181 80 24 oveq12i ⊢ 1 ⋅ 1 + 0 + 1 = 1 + 1
182 181 123 eqtri ⊢ 1 ⋅ 1 + 0 + 1 = 2
183 126 mullidi ⊢ 1 ⋅ 6 = 6
184 183 oveq1i ⊢ 1 ⋅ 6 + 7 = 6 + 7
185 7p6e13 ⊢ 7 + 6 = 13
186 164 126 185 addcomli ⊢ 6 + 7 = 13
187 184 186 eqtri ⊢ 1 ⋅ 6 + 7 = 13
188 14 28 4 156 121 180 14 12 14 182 187 decma2c ⊢ 1 ⋅ 16 + 6 + 1 = 23
189 169 mullidi ⊢ 1 ⋅ 9 = 9
190 189 oveq1i ⊢ 1 ⋅ 9 + 2 = 9 + 2
191 9p2e11 ⊢ 9 + 2 = 11
192 190 191 eqtri ⊢ 1 ⋅ 9 + 2 = 11
193 29 30 28 11 176 177 14 14 14 188 192 decma2c ⊢ 1 ⋅ 169 + 61 + 1 = 231
194 80 oveq1i ⊢ 1 ⋅ 1 + 9 = 1 + 9
195 9p1e10 ⊢ 9 + 1 = 10
196 169 75 195 addcomli ⊢ 1 + 9 = 10
197 194 196 eqtri ⊢ 1 ⋅ 1 + 9 = 10
198 31 14 33 30 175 155 14 4 14 193 197 decma2c ⊢ 1 ⋅ 1691 + 619 = 2310
199 14 34 32 174 198 gcdi ⊢ 2310 gcd 1691 = 1
200 eqid ⊢ 231 = 231
201 31 nn0cni ⊢ 169 ∈ ℂ
202 201 addridi ⊢ 169 + 0 = 169
203 eqid ⊢ 23 = 23
204 14 28 178 121 decsuc ⊢ 16 + 1 = 17
205 107 123 oveq12i ⊢ 1 ⋅ 2 + 1 + 1 = 2 + 2
206 205 52 eqtri ⊢ 1 ⋅ 2 + 1 + 1 = 4
207 74 oveq1i ⊢ 1 ⋅ 3 + 7 = 3 + 7
208 7p3e10 ⊢ 7 + 3 = 10
209 164 49 208 addcomli ⊢ 3 + 7 = 10
210 207 209 eqtri ⊢ 1 ⋅ 3 + 7 = 10
211 11 12 14 156 203 204 14 4 14 206 210 decma2c ⊢ 1 ⋅ 23 + 16 + 1 = 40
212 13 14 29 30 200 202 14 4 14 211 197 decma2c ⊢ 1 ⋅ 231 + 169 + 0 = 400
213 75 mul01i ⊢ 1 ⋅ 0 = 0
214 213 oveq1i ⊢ 1 ⋅ 0 + 1 = 0 + 1
215 14 dec0h ⊢ 1 = 01
216 214 24 215 3eqtri ⊢ 1 ⋅ 0 + 1 = 01
217 15 4 31 14 25 175 14 14 4 212 216 decma2c ⊢ 1 ⋅ 2310 + 1691 = 4001
218 217 1 eqtr4i ⊢ 1 ⋅ 2310 + 1691 = N
219 14 32 16 199 218 gcdi ⊢ N gcd 2310 = 1
220 10 16 22 27 219 gcdmodi ⊢ 2 800 − 1 gcd N = 1