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A comment on 7 is the largest prime followed by a cubic number. Parent comment

Re:7 is the largest prime followed by a cubic number by bwasti on Monday September 03, 2018 @06:26PM (#17905287)
not only that, but if p is prime and p = 2^n-1 then n is also prime

proof: https://jott.live/texdown/mersenne

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Re:7 is the largest prime followed by a cubic number by tejtm on Tuesday September 04, 2018 @02:05AM (#17906945)
> if p is prime and p = 2^n-1 then n is also prime

for clarity p = (2^n)-1

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