3

This number is a prime.

Single Curio View:   (Seek other curios for this number)
Only prime p that divides Rp, where Rp denotes repunit with prime subscript p. [Gupta]

Submitted: 2020-07-10 05:51:48;   Last Modified: 2020-07-10 14:43:05.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell