64164...00019 (39-digits)
This number is a composite.
641649083 2711570947 6201981542 4000000019
2!*3!*5!*7!*11!*13!*17!+19 is divisible by both 23 and 29. [Rupinski]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
641649083 2711570947 6201981542 4000000019
2!*3!*5!*7!*11!*13!*17!+19 is divisible by both 23 and 29. [Rupinski]