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

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MnStatusDetails
932563Factored
FactorDigitsBitsDate
1904161345191348536705017813015332103.92022-08-17 07:52:23
1185050833965542652704692930739936375938123.22022-08-17 07:52:23
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 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)Alex and Nick Myrman262B0
Verified (Factored)David Slowinski262B0
Verified (Factored)Mr. McGrathFEB09B3E3E15A62B0
Verified (Factored)2001-12-01Marc Getty / Phil FizurFEB09B3E3E15A62B746949
Verified (Factored)2015-04-11MadPooFEB09B3E3E15A62B740326
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-08-18LordJulius2301EE236E4C40D9266006453
Verified2022-08-18Wentao Huang2301EE236E4C40D9238726853
P-1 factors
DateFactorB1B2
2022-08-1719041613451913485367050178130153500000001263691439010
2022-08-1711850508339655426527046929307399363759500000001263691439010
History
DateUserTypeResult
2022-08-19GufesaCERT
PRP Certification
Proof certified good
2022-08-18Wentao HuangC-PRP
M932563/19041613451913485367050178130153/11850508339655426527046929307399363759 : 2301EE236E4C40D9
PRP proof power = 6
PRP: Verified
Proof certified good
2022-08-18Ge yongCERT
PRP Certification
Proof certified good
2022-08-18LordJuliusC-PRP
M932563/19041613451913485367050178130153/11850508339655426527046929307399363759 : 2301EE236E4C40D9
PRP proof power = 6
PRP: Verified
Proof certified good
2022-08-17axnF-PM1
Factor: 225652799012395712422940358712469280350255975521482289973648493325127 / (P-1, B1=50000000, B2=1263691439010)
2018-01-05Smok_bmv NF
no factor from 2^67 to 2^68
2018-01-04Smok_bmv NF
no factor from 2^66 to 2^67
2018-01-04Smok_bmv NF
no factor from 2^65 to 2^66
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2015-12-30lycornNF
no factor from 2^64 to 2^65
2015-09-19Gordon SpenceNF
no factor from 2^63 to 2^64
2015-09-19Gordon SpenceNF
no factor from 2^62 to 2^63
2015-04-11MadPooC-LL
FEB09B3E3E15A62B
2014-08-14lycornNF
no factor from 2^61 to 2^62
2014-08-01alpertronNF-PM1
B1=10000000, B2=500000000, E=12
2013-10-11David CampeauNF-PM1
B1=955000, B2=24830000, E=12
2012-01-09JossNF-PM1
B1=727403
2011-09-18JossNF-PM1
B1=363701
2011-07-14JossNF-PM1
B1=218220
2011-06-01JossNF-PM1
B1=200000
2010-06-04Architects CubedNF
no factor from 2^60 to 2^61