Migration complete - please let us know if anything isn't working.
This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).
The only known prime number formed from the concatenation of the first n Honaker numbers, case n=1256. Proven with Primo. [Sariyar]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell