Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
1704023Factored
FactorDigitsBitsDate
453848289550335478607691186892995.22022-11-14 11:37:15
ECM
DigitsB1Curves
2550000280 / 280
30250000105 / 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)David Linton59B11789C4ED10720
Verified (Factored)1998-11-21Bruce Mitchell59B11789C4ED10721331686
Verified (Factored)2015-06-28MadPoo59B11789C4ED10721213011
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2022-11-15Naegi MakotoFB0337BEA111A3321129145953
Verified2022-11-15LordJuliusFB0337BEA111A332119185753
History
DateUserTypeResult
2022-11-15Will KCERT
PRP Certification
Proof certified good
2022-11-15iwesCERT
PRP Certification
Proof certified good
2022-11-15LordJuliusC-PRP
M1704023/45384828955033547860769118689 : FB0337BEA111A332
PRP proof power = 7
PRP: Verified
Proof certified good
2022-11-15Naegi MakotoC-PRP
M1704023/45384828955033547860769118689 : FB0337BEA111A332
PRP proof power = 7
PRP: Verified
Proof certified good
2022-11-14TJAOIF-ECM
Factor: 45384828955033547860769118689 / (ECM curve 40, B1=250000, B2=40000000)
2021-05-04Carlos PinhoNF-PP1
Start=2/7, B1=1000000, B2=51000000
2019-07-24TJAOINF
no factor from 2^67 to 2^68
2018-06-18TJAOINF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^61 to 2^62
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-08-30ramgeisNF
no factor from 2^65 to 2^66
2015-06-28MadPooC-LL
59B11789C4ED1072
2015-02-18VictordeHollanderNF-PM1
B1=10000000, B2=200000000, E=12
2015-02-13JossNF-PM1
B1=374673
2015-02-13VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-13VictordeHollanderNF
no factor from 2^63 to 2^64
2015-01-07JossNF-PM1
B1=281499
2014-10-03JossNF-PM1
B1=187666
2014-04-27-Anonymous-NF-PM1
B1=150000
2014-03-31JossNF-PM1
B1=100000
2011-02-07Carsten KossendeyNF-PM1
B1=90000, B2=1507500, E=6
2011-01-27JossNF-PM1
B1=50000
2010-10-04GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-04-24Architects CubedNF
no factor from 2^60 to 2^61