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The issue is that we have no proof that they are primes in general, and they become large so quickly that verifying their primehood is (currently) impossible.
by crygin 13y ago
The issue is that we have no proof that they are primes in general, and they become large so quickly that verifying their primehood is (currently) impossible.
- gizmo686 13y agoFair enough, but the way I am reading your sequence still looks like it is all ones.
- anonymous 13y agoThe issue gizmo and I see with the sequence is that it is all ones if the first element is 2 - 1 = 1. Are you supposed to start with 2^2 - 1 = 3; then 2^3 - 1 = 7; 2^7 - 1 = 127; etc? Those do seem to be all prime.
- ErsatzVerkehr 13y agoMersenne primes whose exponents are themselves Mersenne primes.