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This number is a prime.
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.
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