This number is a composite.
Single Curio View: (Seek other curios for this number)842!2-1 is the smallest titanic double-factorial-minus-one prime, i.e., the product of all the positive even numbers 2 through 842. [Loungrides]
Submitted: 2016-07-11 04:38:13; Last Modified: 2016-07-19 06:25:05.
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