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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MnStatusDetails
9999083Factored
FactorDigitsBitsDate
4668214658302991114487869437020670516138125.12020-05-05 02:53:40
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)John GilmoreD9664A4805D5CFF27270083
Verified (Factored)2003-09-21Walt WelchD9664A4805D5CFF27893911
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2020-05-08M Miller2E705F92C889DC671772607953
Verified2020-06-03timbit2E705F92C889DC671938595153
P-1 factors
DateFactorB1B2
2020-05-05466821465830299111448786943702067051612000000100000000
History
DateUserTypeResult
2020-06-03timbitC-PRP
M9999083/46682146583029911144878694370206705161 : 2E705F92C889DC67
PRP: Verified
PRP without proof (not generated)
2020-05-08M MillerC-PRP
M9999083/46682146583029911144878694370206705161 : 2E705F92C889DC67
PRP: Verified
PRP without proof (not generated)
2020-05-05timbitF-PM1
Factor: 46682146583029911144878694370206705161 / (P-1, B1=2000000, B2=100000000, E=12)
2019-01-11takahashiNF-PM1
B1=1000000, B2=10000000, E=12
2016-01-20ramgeisNF
no factor from 2^70 to 2^71
2014-04-13ramgeisNF
no factor from 2^69 to 2^70
2014-04-13ramgeisNF
no factor from 2^68 to 2^69
2014-04-13ramgeisNF
no factor from 2^67 to 2^68
2014-04-13ramgeisNF
no factor from 2^66 to 2^67
2013-05-05NesowaNF-PM1
B1=230000, B2=4830000, E=6
2012-07-17AxelssonNF
no factor from 2^65 to 2^66
2011-10-20Rob_DeeNF
no factor from 2^64 to 2^65