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:










MnStatusDetails
1080901Factored
FactorDigitsBitsDate
41260693926372810171961.82008-03-17 12:47:56
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski141D0
Verified (Factored)David Slowinski341D0
Verified (Factored)Bruce ApplebyE13921E3903D741D0
Verified (Factored)2002-03-16S57483E13921E3903D741D30415
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-28Oliver Kruse603F3F7A717E742C1013
Verified2017-10-16Oliver Kruse603F3F7A717E742C190622713
Verified2018-01-02ATH603F3F7A717E742C120387313
History
DateUserTypeResult
2024-02-23USAFSSNF-PM1
B1=600000, B2=911454390
2024-02-20USAFSSNF-PM1
B1=900000, B2=2457444990
2018-01-02ATHC-PRP
M1080901/4126069392637281017 : 603F3F7A717E742C
PRP: Verified
PRP without proof (not generated)
2017-10-16Oliver KruseC-PRP
M1080901/4126069392637281017 : 603F3F7A717E742C
PRP: Verified
PRP without proof (not generated)
2017-09-28Oliver KruseC-PRP
M1080901/4126069392637281017 : 603F3F7A717E742C
PRP: Verified
PRP without proof (not generated)
2008-03-17Team_BunduF-ECM
Factor: 4126069392637281017