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

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MnStatusDetails
5148893Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
370720297928.5old
881078570171136.42008-09-08 01:27:38
21682232171594631650.92014-06-12 11:37:44
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-20kkmrkkblmbrbk91F8CA4F0944F0803013
Verified2018-05-18Oliver Kruse91F8CA4F0944F0803497060313
History
DateUserTypeResult
2025-01-10Sid & AndyNF-PM1
B1=3800000, B2=9313127670
2023-05-11This -Anonymous-NF-PM1
B1=50000, B2=1000000
2018-05-18Oliver KruseC-PRP
M5148893/370720297/88107857017/2168223217159463 : 91F8CA4F0944F080
PRP: Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M5148893/2168223217159463/370720297/88107857017 : 91F8CA4F0944F080
PRP: Verified
PRP without proof (not generated)
2014-06-12TJAOIF
Factor: 2168223217159463
2008-09-08Will EdgingtonF
Factor: 88107857017