25000...00001 (257-digits)
This number is a prime.
2500000 0000000000 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000001
The third prime number of the form 25(0)w1,
after 251 and 2500000001.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell