This number is a composite.
Single Curio View: (Seek other curios for this number)The smallest number that cannot be either prefixed or followed by one digit to form a prime. [Homewood]
Submitted: 2011-11-09 12:20:35; Last Modified: 2020-06-13 22:31:42.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell