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Search: Posts Made By: Dr Sardonicus
Forum: Number Theory Discussion Group 2020-09-06, 13:05
Replies: 4
Views: 3,661
Posted By Dr Sardonicus
If p is prime, and q = 2*k*p + 1 is a prime...

If p is prime, and q = 2*k*p + 1 is a prime factor of Mp, and q2 also divides Mp, then (since Mp divides Mq-1), q2 divides Mq-1, i.e. q is a Wieferich prime (to the base 2). The only such primes...
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