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

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MnStatusDetails
5046233Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
52783597191032.3old
5311932810772311548.92008-09-30 21:43:02
14872602151615271650.42014-05-27 11:40:17
3740081975787649371858.42015-08-31 11:47:30
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-11-22kkmrkkblmbrbk079C6600E211FAC54335577753
Verified2018-04-25ATH079C6600E211FAC54242157753
History
DateUserTypeResult
2025-01-10Sid & AndyNF
no factor from 2^68 to 2^70
2025-01-10Sid & AndyNF-PM1
B1=6000000, B2=6348337380
2024-05-11cramsey87NF-PM1
B1=500000, B2=311039190
2023-05-11This -Anonymous-NF-PM1
B1=50000, B2=1000000
2018-04-25ATHC-PRP
M5046233/5278359719/531193281077231/1487260215161527/374008197578764937 : 079C6600E211FAC5
PRP: Verified
PRP without proof (not generated)
2017-11-22kkmrkkblmbrbkC-PRP
M5046233/5278359719/531193281077231/1487260215161527/374008197578764937 : 079C6600E211FAC5
PRP: Verified
PRP without proof (not generated)
2015-08-31TJAOIF
Factor: 374008197578764937 / TF: 58-59
2014-05-27TJAOIF
Factor: 1487260215161527
2008-09-30markrF
Factor: 531193281077231