8713
This number is a prime.
The largest 4-digit prime concatenated from two
double-digit numbers summed to a hundred. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The largest 4-digit prime concatenated from two
double-digit numbers summed to a hundred. [Loungrides]