77111777
This number is a prime.
The largest prime number containing straight digits only to appear in the first thousand digits of the Golden Ratio. [Gupta]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The largest prime number containing straight digits only to appear in the first thousand digits of the Golden Ratio. [Gupta]