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
5030309
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
11416925040636233531960.0old
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)
2017-11-21storm5510A30CF3D9307BC4F8193850553
Verified
PRP without proof (not generated)
2018-01-15kkmrkkblmbrbkA30CF3D9307BC4F81265942953
History
DateUserTypeResult
2025-02-22Sid & AndyNF-PM1B1=5600000, B2=7759443510
2025-01-05Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-01-15kkmrkkblmbrbkC-PRPM5030309/1141692504063623353 : A30CF3D9307BC4F8
2017-11-21storm5510C-PRPM5030309/1141692504063623353 : A30CF3D9307BC4F8
1998-06-01-anonymous-FFactor: 1141692504063623353