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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Exponent Range:





MnDetails
5034541
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
231588887927.8old
506293581124011445.52008-09-30 21:42:48
585674341421173140685821132685.62025-02-04 14:05:41
P-1 factors
DateFactorsB1B2
2025-02-0458567434142117314068582113
52000006307307370
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
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2017-11-22kkmrkkblmbrbk0870C85B9F7E942B2263469553
Factored
PRP without proof (not generated)
2018-04-25storm55100870C85B9F7E942B2431848753
Verified
PRP without proof (not generated)
2025-02-09kagakubu0870C85B9F7E942B3121535953
History
DateUserTypeResult
2025-02-09kagakubuC-PRPM5034541/231588887/50629358112401/58567434142117314068582113 : 0870C85B9F7E942B
2025-02-04Sid & AndyF-PM1Factor: 58567434142117314068582113 / B1=5200000, B2=6307307370
2025-01-06Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-04-25storm5510C-PRPM5034541/231588887/50629358112401 : 0870C85B9F7E942B
2017-11-22kkmrkkblmbrbkC-PRPM5034541/231588887/50629358112401 : 0870C85B9F7E942B
2008-09-30markrFFactor: 50629358112401