31896090547101491

This number is a prime.

                                                          3189609 0547101491

Just showing those entries submitted by 'Bajpai': (Click here to show all)

The sum of the squares of first eleven tetradic primes (11^2+101^2+181^2+...+100888001^2+108101801^2 = 31896090547101491) is prime. It is the smallest prime of this form. [Bajpai]