This number is a prime.

+ M(4253) was discovered just seconds before M(4423). Therefore it was never the largest known (Mersenne) prime because of the way the output was stacked. [Rupinski]

+ M(4253) is the smallest titanic Mersenne prime.

(There are 3 curios for this number that have not yet been approved by an editor.)

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