perplexus.info :: Numbers : Check divisibility

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).

Submitted by Ady TZIDON

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Solution: (Hide)

p = 3 is the only solution.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
re(3): computer exploration (probable spoiler)	Ady TZIDON	2015-09-17 10:23:34
re(2): computer exploration (probable spoiler)	Charlie	2015-09-17 07:47:38
analytical solution	xdog	2015-09-16 19:23:40
re: computer exploration (probable spoiler)	Ady TZIDON	2015-09-16 16:40:03
computer exploration (probable spoiler)	Charlie	2015-09-16 16:13:12

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