31313...32323 (108-digits)
This number is a prime.
31313131 3131313131 3131313131 3131313131
3131313123 2323232323 2323232323 2323232323 2323232323 2323232323 2323232323
Single Curio View: (Seek other curios for this number)
Twenty-three 31's followed by thirty-one 23's is prime. [De Geest]
Submitted: 2004-02-07 04:23:51; Last Modified: 2008-01-30 17:28:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell