Marin Mersenne 2^P-1
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MnStatusDetails
248707TF
No factors below 266
TF target 244
TF below 2^102 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 263000000
B2 = 2865440107530
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000675 / 1566
Estimated T-Level: 32.2
LL
StatusDateUserResidueShift
VerifiedDavid Slowinski7ABB0
VerifiedUnknown7ABB0
VerifiedKen Kiefer3ACC68B6B5FDFABB0
VerifiedBrian J. Beesley3ACC68B6B5FDFABB0
VerifiedEivind Triel3ACC68B6B5FDFABB237500
Verified2016-06-01MadPoo3ACC68B6B5FDFABB215639
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-03-01-Anonymous-factor ECM small0.00 % 2024-03-17
History
DateUserTypeResult
2023-02-11masserNF-PP1
Start=6/5, B1=30000000, B2=990000000
2023-02-05masserNF-PP1
Start=2/7, B1=30000000, B2=990000000
2023-02-05masserNF-PP1
Start=153/31, B1=30000000, B2=960000000
2022-05-29Sid & AndyNF-PM1
B1=263000000, B2=2865440107530
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2021-12-05Seth_TrNF-PM1
B1=120000000, B2=57783635910
2021-12-05Seth_TrNF-PM1
B1=120000000
2019-12-31Gordon SpenceNF
no factor from 2^65 to 2^66
2018-03-12Gordon SpenceNF
no factor from 2^64 to 2^65
2016-06-01MadPooC-LL
3ACC68B6B5FDFABB
2016-05-13NumberwangNF-PM1
B1=2781, B2=69525
2016-02-23Mark RoseNF
no factor from 2^57 to 2^58
2016-01-26Gordon SpenceNF
no factor from 2^63 to 2^64
2016-01-26Gordon SpenceNF
no factor from 2^62 to 2^63
2015-08-10snme2pm1NF
no factor from 2^61 to 2^62
2014-12-24Denial140NF-PM1
B1=10000000, B2=250000000, E=12
2013-10-13David CampeauNF-PM1
B1=2570000, B2=74530000, E=12
2013-07-14lycornNF
no factor from 2^60 to 2^61
2012-02-26JossNF-PM1
B1=2522847
2011-07-24JossNF-PM1
B1=2018277
2011-02-07JossNF-PM1
B1=2000000
2009-01-23Sturle SundeNF
no factor from 2^59 to 2^60
2008-12-31Sturle SundeNF
no factor from 2^58 to 2^59