157

This number is a prime.

Single Curio View:   (Seek other curios for this number)
157 is the smallest three-digit prime that produces five other primes by changing only its first digit: 257, 457, 557, 757, and 857. [Opao]

Submitted: 2003-12-29 03:46:55;   Last Modified: 2008-01-30 11:19:19.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell