4263
This number is a composite.
2^4263+Sigma(1) + Sigma(2) + ... + Sigma(4263) is the
smallest titanic prime of this form. [Sariyar]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
2^4263+Sigma(1) + Sigma(2) + ... + Sigma(4263) is the
smallest titanic prime of this form. [Sariyar]