4562
This number is a composite.
As of 2004, 4562 is the largest number for which (10^n+9) is known to be a probable prime.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
As of 2004, 4562 is the largest number for which (10^n+9) is known to be a probable prime.