46415...76351 (28-digits)
This number is a prime.
46415888 3361277889 2410076351
Just showing those entries submitted by 'Andersen': (Click here to show all)
The smallest prime p such that p^4 starts with p. [Andersen and Firoozbakht]
The smallest prime p such that p^7 starts with p. [Andersen and Firoozbakht]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell