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
531667303Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4174290120160215619932168.52017-08-02 09:28:58
History
DateUserTypeResult
2025-03-07James HeinrichF
Factor: 417429012016021561993 / TF: 68-70
2017-08-02Alex_soldierF
Factor: 417429012016021561993 / TF: 68-69*
2016-09-27sasakiNF
no factor from 2^67 to 2^68
2016-02-27sasakiNF
no factor from 2^66 to 2^67
2014-11-03CorbyguyNF
no factor from 2^65 to 2^66