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
5048137
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
837990743929.6old
143545592924331443.72008-09-30 21:43:04
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
Verified
PRP without proof (not generated)
2017-11-22storm55101FCDC5DD633133822478647153
Verified
PRP without proof (not generated)
2018-01-18kkmrkkblmbrbk1FCDC5DD633133822478172253
History
DateUserTypeResult
2025-01-17Sid & AndyNF-PM1B1=6000000, B2=6348337380
2025-01-10Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-01-18kkmrkkblmbrbkC-PRPM5048137/837990743/14354559292433 : 1FCDC5DD63313382
2017-11-22storm5510C-PRPM5048137/837990743/14354559292433 : 1FCDC5DD63313382
2008-09-30markrFFactor: 14354559292433