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

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MnStatusDetails
11483Factored
FactorDigitsBitsDate
100596779943698325920706455316107797609232911146149.52019-09-09 13:22:59
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000007837 / 16550
Estimated T-Level: 47.4 ⓘ
TF below 2^152 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Unknown07280
Verified (Factored)George WoltmanFAD6308A2F6787280
Verified (Factored)Brian J. BeesleyFAD6308A2F6787280
Verified (Factored)2015-04-11MadPooFAD6308A2F6787284392
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2019-09-10mnd921DF1D7AFECE05AB1261653
Verified2019-09-12kracker21DF1D7AFECE05AB1673853
History
DateUserTypeResult
2023-01-20-Anonymous-NF-PM1
B1=100000000000, B2=122192573512709700
2019-09-12krackerC-PRP
M11483/1005967799436983259207064553161077976092329111 : 21DF1D7AFECE05AB
PRP: Verified
PRP without proof (small exponent)
2019-09-10mnd9C-PRP
M11483/1005967799436983259207064553161077976092329111 : 21DF1D7AFECE05AB
PRP: Verified
PRP without proof (small exponent)
2019-09-09Ryan PropperF-ECM
Factor: 1005967799436983259207064553161077976092329111 / (ECM curve 59, B1=43000000)
2018-09-19snme2pm1NF
no factor from 2^63 to 2^64
2018-05-09James HintzNF-PM1
B1=26944497910, B2=2020837343250, E=12
2016-11-07Sid & AndyNF
no factor from 2^62 to 2^63
2016-02-23LaurVNF
no factor from 2^57 to 2^58
2015-09-09Sid & AndyNF
no factor from 2^61 to 2^62
2015-04-11MadPooC-LL
FAD6308A2F678728
2013-01-14bcp19NF-PM1
B1=10000000000, B2=100000000000, E=12
2012-11-22bcp19NF
no factor from 2^60 to 2^61
2010-07-11George WoltmanNF
no factor from 2^59 to 2^60
2010-07-11George WoltmanNF
no factor from 2^58 to 2^59
2010-06-09James HintzNF-PM1
B1=2000000000, B2=50000000000, E=12