3839
This number is a composite.
The smallest multidigit number of the form n!2-1 [n is even and n!2 = n*(n-2)*(n-4)*...] that is not prime.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
The smallest multidigit number of the form n!2-1 [n is even and n!2 = n*(n-2)*(n-4)*...] that is not prime.