Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
8448197
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
50689183825.6old
14699862791030.52008-09-08 04:33:22
5741747759569607991859.02015-10-16 11:40:28
1113580526639779320412166.62020-06-10 09:24:59
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-11-01Oliver KruseF50F181F1D32AA123582901753
Factored
PRP without proof (not generated)
2020-06-04arnaudF50F181F1D32AA123184436153
Verified
PRP without proof (not generated)
2020-06-10ATHF50F181F1D32AA124640606953
History
DateUserTypeResult
2024-05-27Stef42NF-PM1B1=4000000, B2=8999701620
2022-04-09LordJuliusNFno factor TF: 65-66
2022-04-09LordJuliusNFno factor TF: 64-65
2020-06-10ATHC-PRPM8448197/50689183/1469986279/574174775956960799/111358052663977932041 : F50F181F1D32AA12
2020-06-10TJAOIFFactor: 111358052663977932041
2020-06-04arnaudC-PRPM8448197/50689183/1469986279/574174775956960799 : F50F181F1D32AA12
2018-11-01Oliver KruseC-PRPM8448197/50689183/1469986279/574174775956960799 : F50F181F1D32AA12
2015-10-16TJAOIFFactor: 574174775956960799
2008-09-08Will EdgingtonFFactor: 1469986279