This number is a prime.

Single Curio View:   (Seek other curios for this number)
The largest prime that can be expressed as the product of two successive double-digit primes minus their sum, i.e., 8447 = 89*97 - (89+97). [Loungrides]

Submitted: 2012-12-14 19:30:16;   Last Modified: 2021-06-18 16:34:52.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell