65819
This number is a composite.
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The sum of all known Fermat primes, (3, 5, 17, 257,
65537), is a 2-sphenic number, 65819=13*61*83. (A 2-sphenic
number is defined as a number that is equal to the product
of three 2-digit primes). [Loungrides]
Submitted: 2014-06-15 15:28:01; Last Modified: 2019-07-22 11:32:41.
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