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Single Curio View: (Seek other curios for this number)(2^684127-1)/23765203727 is the largest known probable prime Mersenne cofactor (as of 2009). It has 40 times as many digits as the proven record at the time (205933 versus 5118 digits). [Andersen]
Submitted: 2009-09-06 03:28:28; Last Modified: 2014-08-30 10:16:45.
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