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
7127
Composite: proven not-prime with Lucas-Lehmer test
No factors below 266
TF target 244
P-1
B1 = 2400000000000
B2 = 7202710403265967590
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
6026000000032483 / 105362
Estimated T-Level: 56.5 ⓘ
TF below 2^183 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
VerifiedUnknown71E60Unknown,(aka U)
VerifiedGeorge WoltmanF5A4198F839E71E60Woltman,Prime95,first web release,(aka W4)
VerifiedBrian J. BeesleyF5A4198F839E71E60Mac,John Sweeney,v1.4,(aka J3)
Verified2015-04-11MadPoo 🙂F5A4198F839E71E66934Windows 64-bit,Prime95,v26,(aka We4)
History
DateUserTypeResult
2025-04-21-anonymous-NF-PM1B1=2400000000000, B2=7202710403265967590
2024-10-11One ManNF-PM1B1=232749360923, B2=172558525003764900
2023-08-24-anonymous-NF-PM1B1=34000000000, B2=142096338314180250
2023-08-17masserNF-PP1Start=6/5, B1=1200000000, B2=214800000000
2023-07-18masserNF-PM1B1=72000000000, B2=82656994240821000
2023-07-10masserNF-PP1Start=101/59, B1=1200000000, B2=48000000000
2022-02-28Anton RepkoNFno factor TF: 64-66
2021-04-23gLaussNF-PP1Start=2/7, B1=1000000000, B2=100000000000
2021-04-22gLaussNF-PP1Start=2/7, B1=1000000, B2=100000000
2021-01-24Ruslan BorisovNFno factor TF: 64-65
2018-09-08snme2pm1NFno factor TF: 63-64
2016-11-29snme2pm1NFno factor TF: 62-63
2016-11-22mikrNF-PM1B1=60000000000, B2=4800000000000, E=12
2016-11-19-anonymous-NF-PM1B1=100000000000, B2=1000000000000, E=12
2016-11-17-anonymous-NF-PM1B1=40000000000, B2=400000000000, E=12
2016-11-17-anonymous-NF-PM1B1=20000000000, B2=200000000000, E=12
2016-11-10James HintzNF-PM1B1=1888580603, B2=115203416783, E=12
2016-02-23LaurVNFno factor TF: 57-58
2015-08-20Sid & AndyNFno factor TF: 61-62
2015-04-11MadPoo 🙂C-LLF5A4198F839E71E6
2013-11-20blahpyNF-PM1B1=10000000000
2012-11-08bcp19NFno factor TF: 60-61
2010-08-10chalsallNFno factor TF: 59-60
2010-08-10chalsallNFno factor TF: 58-59
2003-02-02-anonymous-NF-PM1B1=4290000000
2002-12-25-anonymous-NFno factor TF: 1-57
2002-10-12-anonymous-NF-PM1B1=3221225472, B2=4290000000, E=48
2002-08-17-anonymous-NF-PM1B1=2147483648, B2=4290000000, E=48
2002-06-15-anonymous-NF-PM1B1=1073741824, B2=4290000000, E=48
2002-06-09-anonymous-NF-PM1B1=1073741824, B2=4290000000, E=48
2001-08-26-anonymous-NF-PM1B1=3000000000, B2=4290000000
2001-06-23-anonymous-NF-PM1B1=43000000, B2=4290000000
2001-02-11-anonymous-NF-PM1B1=1000000, B2=100000000
2000-07-17-anonymous-NFno factor TF: 1-56
2000-02-23-anonymous-NFno factor TF: 54-55
1999-12-30-anonymous-NFno factor TF: 53-54
1999-09-22-anonymous-NFno factor TF: 52-53