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
602453Factored
FactorDigitsBitsDate
3603270457615184227278517032788.22019-02-12 06:24:18
ECM
DigitsB1Curves
2550000280 / 280
30250000209 / 640
Estimated T-Level: 26.6
TF below 2^83 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski29180
Verified (Factored)Steve Sommars3D41AB9FFCC469180
Verified (Factored)2002-08-10Dennis Pope3D41AB9FFCC46918409529
Verified (Factored)2015-04-11MadPoo3D41AB9FFCC46918199248
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2019-02-14marcomich29A3A939AFC734AD16614553
Verified2019-02-15kkmrkkblmbrbk29A3A939AFC734AD159283753
History
DateUserTypeResult
2019-02-15kkmrkkblmbrbkC-PRP
M602453/360327045761518422727851703 : 29A3A939AFC734AD
PRP: Verified
PRP without proof (small exponent)
2019-02-14marcomichC-PRP
M602453/360327045761518422727851703 : 29A3A939AFC734AD
PRP: Verified
PRP without proof (small exponent)
2019-02-12lycornF-ECM
Factor: 360327045761518422727851703 / (ECM curve 31, B1=250000, B2=25000000)
2018-01-31Smok_bmv NF
no factor from 2^68 to 2^69
2017-11-27Smok_bmv NF
no factor from 2^67 to 2^68
2017-11-27Smok_bmv NF
no factor from 2^66 to 2^67
2017-11-27Smok_bmv NF
no factor from 2^65 to 2^66
2017-10-15BloodERazorNF
no factor from 2^64 to 2^65
2015-11-06Sid & AndyNF-PM1
B1=6024530, B2=180735900, E=12
2015-10-22Bruno VictalNF-PM1
B1=1600000, B2=66000000, E=12
2015-09-23Gordon SpenceNF
no factor from 2^63 to 2^64
2015-09-23Gordon SpenceNF
no factor from 2^62 to 2^63
2015-07-17NRNF
no factor from 2^61 to 2^62
2015-04-11MadPooC-LL
3D41AB9FFCC46918
2013-10-13David CampeauNF-PM1
B1=1255000, B2=40160000, E=12
2012-07-21JossNF-PM1
B1=1204906
2012-03-08JossNF-PM1
B1=801109
2011-08-28JossNF-PM1
B1=640887
2011-07-01JossNF-PM1
B1=384532
2010-12-21Sid & AndyNF
no factor from 2^60 to 2^61
2008-10-14Sturle SundeNF
no factor from 2^59 to 2^60
2008-10-14Sturle SundeNF
no factor from 2^58 to 2^59