Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
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Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
282413Factored
FactorDigitsBitsDate
76729104272571342.8old
188168229144471444.12008-07-21 09:15:50
375940561123721912922972375.02014-08-28 10:11:04
3409562055821606728772092478.22020-12-10 17:18:38
ECM
DigitsB1Curves
2550000280 / 280
30250000590 / 640
Estimated T-Level: 29.6
TF below 2^93 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver KruseBE9F7E2B00EBB9F13013
Verified (Factored)2017-10-12Oliver KruseBE9F7E2B00EBB9F135138413
Verified (Factored)2017-11-06kkmrkkblmbrbkBE9F7E2B00EBB9F138849413
Verified (Factored)2020-04-17Oliver Kruse89627915560C7A3D34113753
Verified2020-12-11David Barina89627915560C7A3D423051853
History
DateUserTypeResult
2023-02-14USAFSSNF-PM1
B1=3500000, B2=18264117300
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-12-111997rj7CERT
PRP Certification
Proof certified good
2020-12-11David BarinaC-PRP
M282413/7672910427257/18816822914447/37594056112372191292297/340956205582160672877209 : 89627915560C7A3D
PRP proof power = 5
PRP: Verified
Proof certified good
2020-12-10_p95holder_F-ECM
Factor: 340956205582160672877209 / (ECM curve 2, B1=250000, B2=25000000)
2020-04-17Oliver KruseC-PRP
M282413/7672910427257/18816822914447/37594056112372191292297 : 89627915560C7A3D
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M282413/7672910427257/18816822914447/37594056112372191292297 : BE9F7E2B00EBB9F1
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-12Oliver KruseC-PRP
M282413/7672910427257/18816822914447/37594056112372191292297 : BE9F7E2B00EBB9F1
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M282413/known_factors : BE9F7E2B00EBB9F1
PRP without proof (not generated)
2014-08-28TJAOIF-ECM
Factor: 37594056112372191292297
2008-07-21J FeitsmaF
Factor: 18816822914447