6923
This number is a composite.
(4*10^6923-1)/3 is the largest known probable prime of the form 1(3)w.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
(4*10^6923-1)/3 is the largest known probable prime of the form 1(3)w.