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
3334679Factored
FactorDigitsBitsDate
1010511386704363300295925912786.42020-06-14 01:49:59
ECM
DigitsB1Curves
255000015 / 280
Estimated T-Level: 20.3
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Kendall Harrison5C41424F244078000
Verified (Factored)1999-09-30Robert Banks5C41424F244078001628345
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2020-06-14mikr851F4212AB32B08E1147549653
Verified2020-06-15Oliver Kruse851F4212AB32B08E134051453
P-1 factors
DateFactorB1B2
2020-06-1410105113867043633002959259140000000
History
DateUserTypeResult
2022-09-12JossNF-PM1
B1=1000000, B2=241152450
2022-03-24JossNF-PM1
B1=1000000, B2=134316000
2020-06-15Oliver KruseC-PRP
M3334679/101051138670436330029592591 : 851F4212AB32B08E
PRP: Verified
PRP without proof (not generated)
2020-06-14mikrC-PRP
M3334679/101051138670436330029592591 : 851F4212AB32B08E
PRP: Verified
PRP without proof (not generated)
2020-06-14mikrF-PM1
Factor: 101051138670436330029592591 / (P-1, B1=4000000)
2018-11-12TJAOINF
no factor from 2^67 to 2^68
2018-08-16JossNF-PM1
B1=420000, B2=3360000
2018-08-15JossNF-PM1
B1=420000, B2=2940000
2018-08-07JossNF-PM1
B1=420000, B2=840000
2017-03-02Gordon SpenceNF
no factor from 2^66 to 2^67
2016-03-02ramgeisNF
no factor from 2^65 to 2^66
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-02-11VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-11VictordeHollanderNF
no factor from 2^63 to 2^64
2012-11-26Squeeky_SquirrelNF-PM1
B1=210000, B2=4672500, E=6
2012-08-25GrunwalderGIMPNF
no factor from 2^1 to 2^63
2011-10-06USAFSSNF-PM1
B1=55000, B2=880000, E=6
2011-08-29markrNF
no factor to 2^62
2009-07-04Carsten KossendeyNF-PM1
B1=15000, B2=202500
2009-03-29S485122NF
no factor from 2^60 to 2^61