124567987631
This number is a prime.
12 4567987631
The largest mountain emirp that can be split into two n-digit primes, (n=6), i.e., 124567, 987631. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
12 4567987631
The largest mountain emirp that can be split into two n-digit primes, (n=6), i.e., 124567, 987631. [Loungrides]