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Forum: Miscellaneous Math 2021-02-07, 21:21
Replies: 17
Views: 1,394
Posted By Kebbaj
Hugo compare his numbers with Mersenne primes...

Hugo compare his numbers with Mersenne primes which are very large,
if you wanted to have fun proving a number of 1 million digits with ECPP,
have fun alone.
:smile:
Forum: Miscellaneous Math 2021-02-07, 14:36
Replies: 17
Views: 1,394
Posted By Kebbaj
M8258994, it was just for fun. thank you! ...

M8258994, it was just for fun.
thank you!

On the other hand, could you tell if 25463 is the next one on Hugo's sequance?
2,3,5,7,13,19,31,43,61,67,107,127,521,631,1307,1619,2161,.....
Forum: Miscellaneous Math 2021-02-07, 11:02
Replies: 17
Views: 1,394
Posted By Kebbaj
Exclamation You can make this interesting sequance in OEIS...

You can make this interesting sequance in OEIS https://oeis.org

If you want the mathematica code for publication :
d = {}; For[i = 1, i <= 326, i++, a = Prime[i];
sol = Solve[x^(2/a) - 3...
Forum: Miscellaneous Math 2021-02-07, 11:01
Replies: 17
Views: 1,394
Posted By Kebbaj
Exclamation 2161 is the next term of your interesting...

2161 is the next term of your interesting sequance::smile:
{2, 3, 5, 7, 13, 19, 31, 43, 61, 67, 107, 127, 521, 631, 1307, 1619, 2161}

The problem is the proof! /

For exemple the term : 2161...
Forum: Miscellaneous Math 2021-02-07, 08:04
Replies: 17
Views: 1,394
Posted By Kebbaj
not bad, but we can better calculate 2 ^p-1 and...

not bad,
but we can better calculate 2 ^p-1 and test it?:smile:
Forum: Miscellaneous Math 2021-02-07, 06:21
Replies: 17
Views: 1,394
Posted By Kebbaj
On risque d'attendre longtemps, je propose: ...

On risque d'attendre longtemps, je propose:
M82589934!::smile::smile:
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