Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
7538009
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
55307276594091342.3old
422863459877511445.32008-09-30 23:48:49
189190822820944194012064.02017-07-03 10:23:36
1055735374519633269592166.52020-05-05 08:31:18
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-03-07kkmrkkblmbrbk772F86796591637A3149378653
Factored
PRP without proof (not generated)
2019-07-03marssystems772F86796591637A3554932153
Verified
PRP without proof (not generated)
2020-05-06xyuzyz772F86796591637A4684690053
History
DateUserTypeResult
2024-02-14Stef42NF-PM1B1=2500000, B2=6104692440
2022-03-21LordJuliusNFno factor TF: 65-66
2020-05-06xyuzyzC-PRPM7538009/5530727659409/42286345987751/18919082282094419401/105573537451963326959 : 772F86796591637A
2020-05-05TJAOIFFactor: 105573537451963326959
2019-07-03marssystemsC-PRPM7538009/5530727659409/42286345987751/18919082282094419401 : 772F86796591637A
2018-03-07kkmrkkblmbrbkC-PRPM7538009/18919082282094419401/42286345987751/5530727659409 : 772F86796591637A
2017-07-03TJAOIFFactor: 18919082282094419401
2008-09-30markrFFactor: 42286345987751