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
9929
Composite: proven not-prime with Lucas-Lehmer test
No factors below 266
TF target 244
P-1
B1 = 58000000000
B2 = 245990366716444350
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
551100000008171 / 40830
Estimated T-Level: 51.0 ⓘ
TF below 2^164 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
VerifiedUnknown498A0Unknown,(aka U)
VerifiedGeorge WoltmanECA5D56647C5498A0Woltman,Prime95,first web release,(aka W4)
VerifiedBrian J. BeesleyECA5D56647C5498A0Mac,John Sweeney,v1.4,(aka J3)
Verified2015-04-11MadPoo 🙂ECA5D56647C5498A2537Windows 64-bit,Prime95,v26,(aka We4)
History
DateUserTypeResult
2023-08-21masserNF-PP1Start=6/5, B1=820000000, B2=146780000000
2023-07-09masserNF-PP1Start=166/17, B1=820000000, B2=32800000000
2023-06-11JacobZNF-PM1B1=58000000000, B2=245990366716444350
2022-06-15Anton RepkoNFno factor TF: 65-66
2021-05-11ATHNF-PP1Start=2/7, B1=1000000000, B2=241000000000
2019-08-27monstedNFno factor TF: 64-65
2018-07-31Anton RepkoNFno factor TF: 63-64
2016-11-03-anonymous-NF-PM1B1=100000000000, B2=1000000000000, E=12
2016-10-30-anonymous-NF-PM1B1=40000000000, B2=400000000000, E=12
2016-10-30-anonymous-NF-PM1B1=20000000000, B2=200000000000, E=12
2016-05-19-anonymous-NF-PM1B1=10000000000, B2=100000000000, E=12
2016-02-23LaurVNFno factor TF: 57-58
2015-04-11MadPoo 🙂C-LLECA5D56647C5498A
2015-02-12JayderNF-PM1B1=1359491973, B2=80210026404, E=12
2015-01-20LaurVNFno factor TF: 62-63
2015-01-05LaurVNFno factor TF: 61-62
2012-11-08bcp19NFno factor TF: 60-61
2010-07-20George WoltmanNFno factor TF: 59-60
2010-07-20George WoltmanNFno factor TF: 58-59
2005-04-11-anonymous-NF-PM1B1=1000000, B2=100000000, E=12
2005-04-11-anonymous-NF-PM1B1=10000000, B2=50000000, E=12
2004-09-02-anonymous-NF-PM1B1=10000000, B2=1000000000, E=12
2004-09-02-anonymous-NF-PM1B1=1000, B2=100000
2004-09-02-anonymous-NF-PM1B1=10000, B2=1000000, E=6
2004-09-02-anonymous-NF-PM1B1=1000000, B2=100000000, E=12
2004-09-02-anonymous-NF-PM1B1=100000, B2=10000000, E=12
2003-03-16-anonymous-NF-PM1B1=4290000000
2002-12-09-anonymous-NFno factor TF: 1-57
2002-11-16-anonymous-NF-PM1B1=3221225472, B2=4290000000, E=48
2002-09-14-anonymous-NF-PM1B1=2147483648, B2=4290000000, E=48
2002-06-23-anonymous-NF-PM1B1=1073741824, B2=4290000000, E=48
2001-05-27-anonymous-NF-PM1B1=1000000, B2=100000000
2001-05-27-anonymous-NF-PM1B1=3000000000, B2=4290000000
2001-02-11-anonymous-NF-PM1B1=1000000, B2=100000000
2000-05-31-anonymous-NFno factor TF: 1-56
2000-03-01-anonymous-NFno factor TF: 54-55
1999-12-30-anonymous-NFno factor TF: 53-54
1999-09-22-anonymous-NFno factor TF: 52-53