This number is a prime.

Just showing those entries submitted by 'Loungrides': (Click here to show all)

+ The only prime concatenated from two double-digit primes, whose product creates a brilliant number consisting in order of the first four odd digits, i.e., 1357= 23*59. [Loungrides]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell