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Check divisibility (Posted on 2015-09-16)

Find all prime numbers p for which number p^2 +11 has exactly six distinct divisors (counting 1 and itself).

See The Solution Submitted by Ady TZIDON

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re: computer exploration (probable spoiler)

| Comment 2 of 5 |

"It seems that p is the only one that works.

The program finds no other through p almost one million."

What p ?

Posted by Ady TZIDON on 2015-09-16 16:40:03

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