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

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Exponent Range:










MnStatusDetails
233557Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
11210737823.4old
65652872711032.62008-07-21 09:14:32
67974429291032.72008-07-21 09:14:32
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000219 / 1566
Estimated T-Level: 30.7
TF below 2^97 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse5AE5C47849B876B23013
Verified2017-10-12kkmrkkblmbrbk5AE5C47849B876B2319572613
Verified2020-04-17Oliver Kruse90E50B936432EEC837054753
Verified2024-02-03Wentao Huang90E50B936432EEC8318990353
History
DateUserTypeResult
2024-02-03Juza89CERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M233557/11210737/6565287271/6797442929 : 90E50B936432EEC8
PRP proof power = 5
PRP: Verified
Proof certified good
2022-03-28Oliver KruseNF-PM1
B1=30000000, B2=10070832992220
2021-07-01Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2020-04-17Oliver KruseC-PRP
M233557/11210737/6565287271/6797442929 : 90E50B936432EEC8
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M233557/11210737/6565287271/6797442929 : 5AE5C47849B876B2
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M233557/11210737/6565287271/6797442929 : 5AE5C47849B876B2
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M233557/11210737/6565287271/6797442929 : 5AE5C47849B876B2
PRP without proof (not generated)
2008-07-21J FeitsmaF
Factor: 6797442929
2008-07-21J FeitsmaF
Factor: 6565287271