18155
This number is a composite.
3 followed by 18155 7's is the fifth and largest known probable prime of the form 3(7)w, as of 2003.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
3 followed by 18155 7's is the fifth and largest known probable prime of the form 3(7)w, as of 2003.