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Two Primes From Prime (Posted on 2016-09-27) Difficulty: 3 of 5
Determine all possible values of a prime number p such that each of
6p2 + 1 and
4p2 + 1 is a prime number.

No Solution Yet Submitted by K Sengupta    
Rating: 4.0000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: p answer Comment 3 of 3 |
(In reply to p answer by Math Man)

Hi Math man:
p-5 works.
However, you must show p=5 is the only case which fits the problem.

  Posted by JayDeeKay on 2016-09-28 10:49:42

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