71923277

This number is a composite.

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The reversal of the 50th Mersenne prime exponent 77232917 is a 4-almost prime, 17 × 23 × 29 × 6343, whose the double-digit prime factors, i.e., 17, 23, 29, you can see in this Mersenne exponent. [Loungrides]

Submitted: 2018-01-06 13:10:07;   Last Modified: 2018-12-11 10:14:23.
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