7784
This number is a composite.
In September 2004, it was discovered that (7*10^7784+11)/9 is a probable prime. This number contains 7783 consecutive 7s followed by a 9.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
In September 2004, it was discovered that (7*10^7784+11)/9 is a probable prime. This number contains 7783 consecutive 7s followed by a 9.