291113

This number is a prime.

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The largest prime concatenated from the prime factors of the only 2-sphenic number, 4147 = 11 × 13 × 29, that is formed from a sexy pair of double-digit primes, (41, 47). [Loungrides]

Submitted: 2019-07-11 03:28:24;   Last Modified: 2020-01-31 17:59:47.
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