68718821377

This number is a composite.

                                                                6 8718821377

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The larger of only two brilliant numbers whose factors are Mersenne primes, i.e., 68718821377 = 131071*524287. The smaller is 21. [Loungrides]

Submitted: 2018-04-10 10:00:46;   Last Modified: 2018-04-10 11:00:04.
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