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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
7508981Factored
FactorDigitsBitsDate
45053887825.4old
60071849825.82008-09-08 03:33:33
285341279928.12008-09-08 03:33:33
585700519929.12008-09-08 03:33:33
263565233111134.62008-09-08 03:33:33
203332392547371444.22008-09-08 03:33:33
186941350896788091754.12014-08-17 23:07:07
2812875490655220231858.02014-08-17 23:40:33
3463091820739382891858.32014-08-17 23:40:33
3671074367681621511858.32014-08-17 23:40:32
12119071738408942242643912580.02014-08-25 06:37:24
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001190 / 1566
Estimated T-Level: 33.8
TF below 2^107 is very unlikely to find new factors due to ECM effort.
PRP
StatusDateUserResidueShiftTypeBase
Verified (Factored)2021-01-30Seth_Tr73DC4AA852A85C4E013
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-27ATH2A94BAB0984542ED11013
Verified2017-10-28ATH2A94BAB0984542ED11013
Verified2017-10-28kkmrkkblmbrbk2A94BAB0984542ED1119605713
Verified (Factored)2018-07-13Gabriel Lignelli73DC4AA852A85C4E1697449853
Verified2018-07-24Gabriel Lignelli73DC4AA852A85C4E11536123253
Verified2022-10-22LordJulius73DC4AA852A85C4E1110265953
P-1 factors
DateFactorB1B2
2021-01-3045053887500000500000
2021-05-17119215191148172911823702301527335987483789931000010000
2023-10-2034089439862462866202985494207047758518299310000000000400015680614550
History
DateUserTypeResult
2023-10-20Anton RepkoF-PM1
Factors: 281287549065522023,1211907173840894224264391 / (P-1, B1=10000000000, B2=400015680614550)
2022-10-22curtiscCERT
PRP Certification
Proof certified good
2022-10-22LordJuliusC-PRP
M7508981/45053887/60071849/285341279/585700519/26356523311/20333239254737/18694135089678809/281287549065522023/346309182073938289/367107436768162151/1211907173840894224264391 : 73DC4AA852A85C4E
PRP proof power = 8
PRP: Verified
Proof certified good
2022-05-04LordJuliusNF
no factor from 2^67 to 2^68
2022-05-04LordJuliusNF
no factor from 2^66 to 2^67
2022-05-04LordJuliusNF
no factor from 2^65 to 2^66
2022-05-04LordJuliusNF
no factor from 2^64 to 2^65
2022-05-04LordJuliusNF
no factor from 2^63 to 2^64
2022-04-19ATHNF-PM1
B1=1000000000, B2=10045573648110
2022-01-22Seth_TrNF-PM1
B1=1000000000, B2=500300760960
2021-07-30ViliamFNF-PP1
Start=6/5, B1=10000000, B2=690000000
2021-07-29ViliamFNF-PP1
Start=2/7, B1=10000000, B2=680000000
2021-05-17nigelF-PM1
Factor: 11921519114817291182370230152733598748378993 / (P-1, B1=10000)
2021-05-03nordiNF-PP1
Start=2/7, B1=4000000, B2=200000000
2021-02-17Seth_TrNF-PM1
B1=500000000, B2=50000000000, E=12
2021-01-30Seth_TrC-PRP
73DC4AA852A85C4E
PRP proof power = 8
PRP: Verified (Factored)
PRP proof never uploaded
2021-01-30Seth_TrF-PM1
Factor: 83946419446082725925715901433803480811869756520104673841488983413113872049 / (P-1, B1=500000)
2020-01-04Seth_TrNF
no factor from 2^77 to 2^78
2019-12-12Seth_TrNF
no factor from 2^68 to 2^69
2019-12-08Seth_TrNF
no factor from 2^67 to 2^68
2019-06-18Seth_TrNF
no factor from 2^66 to 2^67
2018-07-24Gabriel LignelliC-PRP
M7508981/45053887/60071849/285341279/585700519/26356523311/20333239254737/18694135089678809/281287549065522023/346309182073938289/367107436768162151/1211907173840894224264391 : 73DC4AA852A85C4E
PRP: Verified
PRP without proof (not generated)
2018-07-13Gabriel LignelliC-PRP
M7508981/196390556749512365885553091471517315772448332119011812799224967043247355807885758998536981636538241093908075798179275216900756503990104076135107768463 : 73DC4AA852A85C4E
PRP: Verified
PRP without proof (not generated)
2018-06-20Mark RoseNF
no factor from 2^74 to 2^75
2017-12-01KrieselNF
no factor from 2^76 to 2^77
2017-11-22ATHNF-PM1
B1=105000000, B2=3000000000, E=12
2017-10-28kkmrkkblmbrbkC-PRP
M7508981/45053887/60071849/285341279/585700519/26356523311/20333239254737/18694135089678809/281287549065522023/346309182073938289/367107436768162151/1211907173840894224264391 : 2A94BAB0984542ED
PRP: Verified
PRP without proof (not generated)
2017-10-28ATHC-PRP
M7508981/45053887/60071849/285341279/585700519/26356523311/20333239254737/18694135089678809/281287549065522023/346309182073938289/367107436768162151/1211907173840894224264391 : 2A94BAB0984542ED
PRP: Verified
PRP without proof (not generated)
2017-10-27ATHC-PRP
M7508981/known_factors : 2A94BAB0984542ED
PRP: Verified
PRP without proof (not generated)
2017-01-18Matthew MillarNF
no factor from 2^73 to 2^74
2017-01-18Matthew MillarNF
no factor from 2^72 to 2^73
2017-01-07Matthew MillarNF
no factor from 2^70 to 2^71
2017-01-07Matthew MillarNF
no factor from 2^69 to 2^70
2017-01-07Matthew MillarNF
no factor from 2^63 to 2^64
2017-01-07Matthew MillarNF
no factor from 2^62 to 2^63
2016-10-25NipalNF
no factor from 2^75 to 2^76
2016-09-07Matthew MillarNF
no factor from 2^71 to 2^72
2016-08-18Matthew MillarNF
no factor from 2^68 to 2^69
2016-08-18Matthew MillarNF
no factor from 2^67 to 2^68
2016-08-18Matthew MillarNF
no factor from 2^66 to 2^67
2016-08-13Matthew MillarNF
no factor from 2^65 to 2^66
2016-08-13Matthew MillarNF
no factor from 2^64 to 2^65
2016-04-24wombatmanNF
no factor from 2^61 to 2^62
2014-08-30Denial140F
Factor: 1583285088503372039 / TF: 60-61*
2014-08-25pdazzlF-ECM
Factor: 1211907173840894224264391 / (ECM curve 7, B1=250000, B2=25000000)
2014-08-17pdazzlF
Factor: 281287549065522023 / TF: 56-60
2014-08-17pdazzlF
Factor: 346309182073938289 / TF: 56-60
2014-08-17pdazzlF
Factor: 367107436768162151 / TF: 56-60
2014-08-17pdazzlF
Factor: 18694135089678809 / TF: 1-56
2008-09-08Will EdgingtonF
Factor: 20333239254737
2008-09-08Will EdgingtonF
Factor: 26356523311
2008-09-08Will EdgingtonF
Factor: 585700519
2008-09-08Will EdgingtonF
Factor: 285341279
2008-09-08Will EdgingtonF
Factor: 60071849