36779

This number is a prime.

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

Let x = (sqrt(5) + 1)/2 and y = sqrt(3) + sqrt(2). Then the Lucas number (x^36779 - 1/x^36779)/(x - 1/x) is prime and the Lehmer number (y^36779 + 1/y^36779)/(y + 1/y) is a probable prime. [Broadhurst]