Marin Mersenne 2^P-1
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MnStatusDetails
3072983TF
No factors below 270
TF target 264
TF below 2^72 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 9000000
B2 = 23085969270
ECM
DigitsB1Curves
2550000185 / 280
Estimated T-Level: 23.3
LL
StatusDateUserResidueShift
Verified1998-01-21Rich Wagner3DE267488A9D70F90
Verified1999-05-30MSR Cambridge3DE267488A9D70F9127275
History
DateUserTypeResult
2023-01-22Sid & AndyNF-PM1
B1=9000000, B2=23085969270
2022-05-24mikrNF
no factor from 2^69 to 2^70
2022-02-17JossNF
no factor from 2^67 to 2^68
2021-03-23TJAOINF
no factor from 2^68 to 2^69
2018-08-05ramgeisNF
no factor from 2^67 to 2^68
2018-01-30mikrNF-PM1
B1=3000000, B2=100000000, E=12
2017-05-13Gordon SpenceNF
no factor from 2^66 to 2^67
2017-01-04JossNF-PM1
B1=132000
2016-10-23Squeeky_SquirrelNF-PM1
B1=195000, B2=5460000, E=12
2015-06-06ThaNF
no factor from 2^65 to 2^66
2015-02-07VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-07VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-07dbaughNF
no factor from 2^62 to 2^63
2011-10-27Sid & AndyNF
no factor from 2^61 to 2^62
2010-09-21markrNF-PM1
B1=110000, B2=2447500, E=6
2009-02-13Sturle SundeNF
no factor from 2^60 to 2^61