109297270343
This number is a prime.
10 9297270343
Single Curio View: (Seek other curios for this number)
The concatenation of the indices of the largest known mega probable repunit primes that are also Kaprekar numbers, i.e., R109297 and R270343, is prime. [Loungrides]
Submitted: 2016-07-08 05:27:19; Last Modified: 2016-07-14 12:43:19.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell