This number is a prime.

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

+ The largest known prime sum of three Fermat numbers. According to the Maple 9 primality test, the next term is larger than 10^300 if it exists [R. J. Mathar, Oct 16 2009]. [Post]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell