Marin Mersenne 2^P-1
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MnStatusDetails
198637TF
No factors below 266
TF target 244
TF below 2^109 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 134236389
B2 = 8419718307000
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001330 / 1566
Estimated T-Level: 34.2
LL
StatusDateUserResidueShift
VerifiedAmdahl 6 - 19891CFFB72D0
VerifiedMartin Eibl57F94D3B1CFFB72D0
VerifiedBrian J. Beesley57F94D3B1CFFB72D0
VerifiedEivind Triel57F94D3B1CFFB72D50929
Verified2016-06-01MadPoo57F94D3B1CFFB72D184756
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-03-10abuNcfactor ECM smallC1S20.00 % 2024-03-10
History
DateUserTypeResult
2023-04-18JacobZNF-PM1
B1=134236389, B2=8419718307000
2023-02-25masserNF-PP1
Start=6/5, B1=30000000, B2=840000000
2023-02-13masserNF-PP1
Start=186/67, B1=30000000, B2=840000000
2023-02-09masserNF-PP1
Start=2/7, B1=30000000, B2=990000000
2023-01-24JossNF-PM1
B1=1000000, B2=74894729910
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2019-12-13Gordon SpenceNF
no factor from 2^65 to 2^66
2017-12-30BloodERazorNF
no factor from 2^64 to 2^65
2016-06-01MadPooC-LL
57F94D3B1CFFB72D
2016-02-23Mark RoseNF
no factor from 2^57 to 2^58
2015-12-07Gordon SpenceNF
no factor from 2^63 to 2^64
2015-12-07Gordon SpenceNF
no factor from 2^62 to 2^63
2015-08-25NRNF
no factor from 2^61 to 2^62
2013-10-15alpertronNF-PM1
B1=100000000, B2=2000000000, E=12
2013-08-06lycornNF
no factor from 2^60 to 2^61
2009-02-09axnNF-PM1
B1=5000000, B2=200000000, E=12
2009-01-28Sturle SundeNF
no factor from 2^59 to 2^60
2008-12-30Sturle SundeNF
no factor from 2^58 to 2^59