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Forum: Miscellaneous Math 2022-03-12, 20:50
Replies: 13
Views: 1,750
Posted By slandrum
Well, if you are going to specifically talk about...

Well, if you are going to specifically talk about Mersenne primes, the candidates can't have any "small" factors (like 3) because all factors of 2^p-1 are of the form 2kp+1, so when looking at...
Forum: Miscellaneous Math 2022-03-05, 19:12
Replies: 13
Views: 1,750
Posted By slandrum
Clearly No, all primes above 2 are odd. ...

Clearly


No, all primes above 2 are odd. Therefore every prime (above 2) has to be 6n+1, 6n+3 or 6n+5. 3 is the only prime that's 6n+3 because all numbers of the form 6n+3 are divisible by 3. ...
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