773
This number is a prime.
Single Curio View: (Seek other curios for this number)
The smallest prime such that adding a preceding or trailing digit will always result in a composite if we omit the case where the leading digit is zero. [Noll]
Submitted: 2006-10-17 20:49:54; Last Modified: 2008-01-30 11:19:23.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell