Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
191032643Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4954800565928235344092168.72016-11-13 20:35:37
History
DateUserTypeResult
2025-03-15James HeinrichF
Factor: 495480056592823534409 / TF: 68-70
2016-11-13Alex_soldierF
Factor: 495480056592823534409 / TF: 68-69*
2016-05-16XZTNF
no factor from 2^67 to 2^68
2015-08-30subgeniusNF
no factor from 2^66 to 2^67
2013-06-07-Anonymous-NF
no factor from 2^65 to 2^66
2011-04-11Sergej LevinNF
no factor from 2^64 to 2^65
2010-08-03James HintzNF
no factor from 2^63 to 2^64