This number is a prime.
Single Curio View: (Seek other curios for this number)The only double-digit prime p such that (p!/(R(p))-1 is prime, i.e., (43!/34!)-1 = 204636013545599. [Patterson and Loungrides]
Submitted: 2020-02-24 13:41:06; Last Modified: 2020-06-14 09:28:05.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell