717374767
This number is a prime.
The smaller of two primes formed by concatenating in order the first n primes ending with 7, (n=5). The other is for n=23. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The smaller of two primes formed by concatenating in order the first n primes ending with 7, (n=5). The other is for n=23. [Loungrides]