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:





MnDetails
1753
Composite: proven not-prime with Lucas-Lehmer test
No factors below 266
TF target 244
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2026-01-06Mario TranquilliniECMC33S175.45 %2026-01-282026-02-01
P-1
B1 = 10000000000000
B2 = 5790124533517544220
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
60260000000105362 / 105362
65800000000194238 / 194238
70240000000074355 / 350860
Estimated T-Level: 66.1
TF below 2^214 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
VerifiedUnknown6C2D0Unknown,(aka U)
VerifiedGeorge WoltmanA984D3CA0516EC2D0Woltman,Prime95,first web release,(aka W4)
VerifiedGord PalametaA984D3CA0516EC2D1056Linux 32-bit,Prime95,v23,(aka WZ2)
Verified2015-04-11MadPoo 🙂A984D3CA0516EC2D1478Windows 64-bit,Prime95,v26,(aka We4)
History
DateUserTypeResult
2025-06-05ViliamFNF-PP1Start=6/5, B1=50000000000, B2=5000000000000
2025-06-02ViliamFNF-PP1Start=2/7, B1=50000000000, B2=5000000000000
2024-08-12Ethan O'ConnorNF-PM1B1=10000000000000, B2=9.2316306045655E+18
2024-08-09Ethan O'ConnorNF-PM1B1=10000000000000, B2=5790124533517544220
2024-08-07MooMoo2NF-PM1B1=1000000000000, B2=1315858269280805250
2023-08-09masserNF-PP1Start=2/7, B1=5890000000, B2=1054310000000
2023-07-16masserNF-PP1Start=163/67, B1=5890000000, B2=235600000000
2023-06-29masserNF-PM1B1=216000000000, B2=578465311533028920
2021-05-12ATHNF-PP1Start=6/5, B1=1000000000, B2=223000000000
2021-04-27gLaussNF-PP1Start=2/7, B1=100000000, B2=10000000000
2020-12-28Ruslan BorisovNFno factor TF: 65-66
2018-06-06Andriy MakukhaNFno factor TF: 64-65
2017-11-18snme2pm1NFno factor TF: 63-64
2016-10-02James HintzNF-PM1B1=3617913835169, B2=289433106813520, E=12
2016-06-21snme2pm1NFno factor TF: 62-63
2016-02-20James HintzNF-PM1B1=1996677230704, B2=159734178456320, E=12
2015-07-08MadPoo 🙂NF-PM1B1=2451633292673, B2=10000000000000, E=12
2015-04-11MadPoo 🙂C-LLA984D3CA0516EC2D
2014-07-21LaurVNFno factor TF: 61-62
2014-01-09Sid & AndyNFno factor TF: 60-61
2013-04-02Le ComteNF-PM1B1=100000000000, B2=10000000000000, E=12
2010-12-23monstNFno factor TF: 59-60
2009-06-22James HintzNF-PM1B1=27500000000, B2=275000000000, E=12
2008-12-06Matthias WurtingerNF-PM1B1=25000000000, B2=50000000000, E=12
2008-12-05Matthias WurtingerNF-PM1B1=20000000000, B2=40000000000, E=12
2008-12-04Matthias WurtingerNF-PM1B1=15000000000, B2=30000000000, E=12
2008-12-01Matthias WurtingerNF-PM1B1=10000000000, B2=20000000000, E=12
2005-04-02garyfuNFno factor TF: 1-59
2002-12-25-anonymous-NF-PM1B1=4290000000
2002-10-19Alex KruppaNFno factor TF: 1-57
2002-09-29Alex KruppaNFno factor TF: 1-57
2002-09-14-anonymous-NF-PM1B1=3221225472, B2=4290000000, E=48
2002-08-03-anonymous-NF-PM1B1=2147483648, B2=4290000000, E=48
2002-05-25-anonymous-NF-PM1B1=1073741824, B2=4290000000
2001-05-20-anonymous-NF-PM1B1=3000000000, B2=4290000000
2001-02-11-anonymous-NF-PM1B1=1000000, B2=100000000
2001-02-11-anonymous-NF-PM1B1=10000, B2=1000000
2000-07-17-anonymous-NFno factor TF: 1-56
2000-01-19-anonymous-NFno factor TF: 54-55
1998-09-13-anonymous-NFno factor TF: 1-54