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
3632719Factored
FactorDigitsBitsDate
49363371031344396291772272.12021-07-01 08:16:52
ECM
DigitsB1Curves
255000020 / 280
Estimated T-Level: 20.4
TF below 2^63 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Dax PratherA45DA13C6BF679160
Verified (Factored)1999-01-29Jarek HorodeckiA45DA13C6BF679160
Verified (Factored)2000-02-09Martin NormanA45DA13C6BF679163365328
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2021-07-02tottenhoffD3B3913DE8A3FC601296011553
History
DateUserTypeResult
2022-05-25JossNF-PM1
B1=100000, B2=130364850
2022-03-22JossNF-PM1
B1=100000
2022-03-04JossNF-PM1
B1=90000
2021-07-02Neil SandsCERT
PRP Certification
Proof certified good
2021-07-02tottenhoffC-PRP
M3632719/4936337103134439629177 : D3B3913DE8A3FC60
PRP proof power = 7
PRP: Verified
Proof certified good
2021-07-01kutensF-ECM
Factor: 4936337103134439629177 / (ECM curve 5, B1=50000, B2=6750000, Sigma=5032120389153105)
2020-11-05axnNF
no factor from 2^68 to 2^69
2020-08-15axnNF-PM1
B1=30000000, B2=1000000000, E=12
2020-07-13axnNF-PM1
B1=30000000, B2=600000000, E=12
2020-03-02BigBrotherNF-PM1
B1=3000000, B2=90000000, E=12
2018-09-10TJAOINF
no factor from 2^67 to 2^68
2016-12-25Gordon SpenceNF
no factor from 2^66 to 2^67
2016-05-17Squeeky_SquirrelNF-PM1
B1=230000, B2=6670000, E=12
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2016-02-23Mark RoseNF
no factor from 2^1 to 2^60
2015-10-18ramgeisNF
no factor from 2^65 to 2^66
2015-01-22VictordeHollanderNF
no factor from 2^64 to 2^65
2015-01-22VictordeHollanderNF
no factor from 2^63 to 2^64
2012-06-20GrunwalderGIMPNF
no factor from 2^1 to 2^63
2012-01-21Squeeky_SquirrelNF-PM1
B1=90000, B2=1620000, E=6
2011-05-23markrNF
no factor from 2^61 to 2^62
2009-07-06Carsten KossendeyNF-PM1
B1=20000, B2=245000
2009-03-11S485122NF
no factor from 2^60 to 2^61