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:










MnStatusDetails
1482907Factored
FactorDigitsBitsDate
5104299689570670415287592478.82019-05-17 12:22:56
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 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)Robert Sartin2261B0C0FE7E0E390
Verified (Factored)1998-11-21Ken Finlayson2261B0C0FE7E0E391363474
Verified (Factored)2015-07-19MadPoo2261B0C0FE7E0E39833266
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2019-05-17ATH89CB2A579864442B174759153
Verified2019-05-18marssystems89CB2A579864442B144641653
History
DateUserTypeResult
2023-11-12Anton TsvetkovNF-PM1
B1=5000000, B2=1006114200
2019-05-18marssystemsC-PRP
M1482907/510429968957067041528759 : 89CB2A579864442B
PRP: Verified
PRP without proof (not generated)
2019-05-17ATHC-PRP
M1482907/510429968957067041528759 : 89CB2A579864442B
PRP: Verified
PRP without proof (not generated)
2019-05-17TJAOIF-ECM
Factor: 510429968957067041528759 / (ECM curve 107, B1=50000, B2=5000000)
2018-10-15JossNF-PM1
B1=1482907, B2=163119770, E=12
2018-03-18JossNF-PM1
B1=1482907, B2=148290700, E=12
2018-03-17JossNF-PM1
B1=1482907, B2=60000000, E=12
2018-02-19TJAOINF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2016-02-23Mark RoseNF
no factor from 2^61 to 2^62
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-09-23ramgeisNF
no factor from 2^65 to 2^66
2015-07-19MadPooC-LL
2261B0C0FE7E0E39
2015-04-05snme2pm1NF
no factor from 2^64 to 2^65
2015-04-05snme2pm1NF
no factor from 2^63 to 2^64
2015-03-15alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2015-03-14JossNF-PM1
B1=573642
2015-03-05JossNF-PM1
B1=521493
2015-03-01JossNF-PM1
B1=474085
2015-02-23JossNF-PM1
B1=430987
2015-02-12JossNF-PM1
B1=391807
2015-01-29JossNF-PM1
B1=323809
2014-11-25JossNF-PM1
B1=243283
2011-04-05GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-12-31Rob_DeeNF-PM1
B1=200000, B2=5000000, E=6
2010-12-30Rob_DeeNF-PM1
B1=200000, B2=4000000, E=6
2010-12-29Rob_DeeNF-PM1
B1=200000, B2=3000000, E=6
2010-12-28Rob_DeeNF-PM1
B1=200000, B2=2000000, E=6
2010-12-27Rob_DeeNF-PM1
B1=200000, B2=1000000, E=6
2010-12-26Rob_DeeNF-PM1
B1=200000, B2=300000
2010-12-25Rob_DeeNF-PM1
B1=100000, B2=200000
2010-05-07Architects CubedNF
no factor from 2^60 to 2^61