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

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Exponent Range:










MnStatusDetails
13406369Factored
FactorDigitsBitsDate
706413608452563220418547739565918955137122.42022-02-13 02:37:07
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^61 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2002-03-16Kevin SheppardE188A2DAD2792F9D6752050
Verified (Factored)2004-12-13Ars Technica Team Prime RibE188A2DAD2792F9D12224490
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-07-27PoaoADA2D47BB315CDCB1179754953
P-1 factors
DateFactorB1B2
2022-02-13706413608452563220418547739565918955110000001000000
History
DateUserTypeResult
2023-10-31nordiNF-PM1
B1=500000, B2=315199500
2023-10-25nordiNF-PM1
B1=500000
2022-07-27ddboy3CERT
PRP Certification
Proof certified good
2022-07-27PoaoC-PRP
M13406369/7064136084525632204185477395659189551 : ADA2D47BB315CDCB
PRP proof power = 8
PRP: Verified
Proof certified good
2022-02-13axnF-PM1
Factor: 7064136084525632204185477395659189551 / (P-1, B1=1000000)
2021-10-22-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-03SRBaseNF
no factor from 2^70 to 2^71
2021-08-07SRBaseNF
no factor from 2^69 to 2^70
2019-08-24Dylan DelgadoNF-PM1
B1=250000, B2=4687500, E=6
2018-01-14ramgeisNF
no factor from 2^68 to 2^69
2017-12-22-Anonymous-NF
no factor from 2^67 to 2^68
2015-07-28NesowaNF
no factor from 2^66 to 2^67
2014-06-13NesowaNF
no factor from 2^65 to 2^66