Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
173627581Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5519469836767219079932168.92017-05-09 02:50:09
History
DateUserTypeResult
2025-03-26James HeinrichF
Factor: 551946983676721907993 / TF: 68-70
2017-05-09NickF
Factor: 551946983676721907993 / TF: 68-69
2016-06-10-Anonymous-NF
no factor from 2^67 to 2^68
2015-06-25vwflat4NF
no factor from 2^66 to 2^67
2013-04-09Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-03-16evatutinNF
no factor from 2^64 to 2^65
2010-07-14Torchwood InstituteNF
no factor from 2^63 to 2^64