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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)

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Solution p answer | Comment 2 of 3 |
p=5
4p^2+1=4(25)+1=100+1=101
6p^2+1=6(25)+1=150+1=151


  Posted by Math Man on 2016-09-27 20:42:32
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