178956971
This number is a composite.
The smallest composite number of the form (2^p+1)/3 where p is an odd prime (178956971 = 59*3033169).
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
The smallest composite number of the form (2^p+1)/3 where p is an odd prime (178956971 = 59*3033169).