191373251117
This number is a prime.
19 1373251117
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The smallest LR prime, i.e., a prime obtained by
concatenating the odd primes alternately on the left and
right of the even prime, (i.e., 2). [Loungrides]
Submitted: 2019-03-31 08:21:52; Last Modified: 2019-03-31 12:17:26.
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