109297270343

This number is a prime.

                                                               10 9297270343

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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.
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