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

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Exponent Range:










MnStatusDetails
932567Factored
FactorDigitsBitsDate
4087595188931116031848255334887932105.02022-11-11 19:46:38
ECM
DigitsB1Curves
2550000280 / 280
30250000178 / 640
Estimated T-Level: 26.4
TF below 2^83 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski0710
Verified (Factored)Alex and Nick Myrman60710
Verified (Factored)Mr. McGrath30A086AD77F7E0710
Verified (Factored)2001-12-01Marc Getty / Phil Fizur30A086AD77F7E071577110
Verified (Factored)2015-04-11MadPoo30A086AD77F7E071149331
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2022-11-11Kevin_961130863A44BD0DC1FE115774953
History
DateUserTypeResult
2022-11-11Ge yongCERT
PRP Certification
Proof certified good
2022-11-11Kevin_9611C-PRP
M932567/40875951889311160318482553348879 : 30863A44BD0DC1FE
PRP proof power = 6
PRP: Verified
Proof certified good
2022-11-11masserF-PP1
Start=6/5, B1=4000000, B2=172000000, Factor: 40875951889311160318482553348879
2022-11-11masserNF-PP1
Start=2/7, B1=8000000, B2=400000000
2022-11-11masserNF-PP1
Start=191/67, B1=2000000, B2=72000000
2022-08-17axnNF-PM1
B1=50000000, B2=1263691439010
2018-01-05Smok_bmv NF
no factor from 2^67 to 2^68
2018-01-05Smok_bmv NF
no factor from 2^66 to 2^67
2018-01-05Smok_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
30A086AD77F7E071
2014-08-14lycornNF
no factor from 2^61 to 2^62
2014-08-01alpertronNF-PM1
B1=10000000, B2=500000000, E=12
2013-10-17David CampeauNF-PM1
B1=870000, B2=26100000, E=12
2012-01-09JossNF-PM1
B1=727399
2011-09-18JossNF-PM1
B1=363699
2011-07-14JossNF-PM1
B1=218219
2011-06-01JossNF-PM1
B1=200000
2010-05-22Architects CubedNF
no factor from 2^60 to 2^61