Fun with num3ers
Friday, January 7, 2011
(11^{p-1} - 1) / p
Find all prime numbers p such that
(11^{p-1} - 1) / p
is a perfect square.
And, what if instead we have
(7^{p-1} - 1) / p
Find all prime numbers p such that this new equation gives us a perfect square.
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