This number is a composite.

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The smallest 3-sphenic number of form pqqp where p, q are double-digit primes, i.e., 11535311 = 101 × 181 × 631. Note that a concatenation of these 3-digit prime factors i.e., 181101631 is prime. [Loungrides]

Submitted: 2020-07-06 00:14:51;   Last Modified: 2020-07-06 06:54:26.
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