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
4159
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
3126868604985238640905789918897723189522589128047176004156184.42019-04-21 02:15:42
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
6026000000026697 / 105362
Estimated T-Level: 56.3 ⓘ
TF below 2^182 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
FactoredUnknown65640Unknown,(aka U)
FactoredGeorge WoltmanDCADDF5ED338E5640Woltman,Prime95,first web release,(aka W4)
FactoredBrian J. BeesleyDCADDF5ED338E5640Mac,John Sweeney,v1.4,(aka J3)
Factored2015-04-11MadPoo 🙂DCADDF5ED338E5641203Windows 64-bit,Prime95,v26,(aka We4)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
No proof (small exponent)
2019-04-21ANONYMOUS9C54B423D0DE4E251248953
Verified
No proof (small exponent)
2019-04-21ANONYMOUS9C54B423D0DE4E251362353
Verified
No proof (small exponent)
2019-04-21SRJ28779C54B423D0DE4E251281953
Verified
No proof (small exponent)
2019-04-21matzetoni9C54B423D0DE4E251391953
Verified
No proof (small exponent)
2019-04-23bunddog7EDFBE58C8474EAC1013
Verified
No proof (small exponent)
2019-07-16kkmrkkblmbrbk7EDFBE58C8474EAC1344313
Verified
No proof (small exponent)
2020-04-17Oliver Kruse9C54B423D0DE4E251215553
History
DateUserTypeResult
2025-05-11masserNF-PP1Start=147/67, B1=2600000000, B2=2597400000000
2023-05-18-anonymous-NF-PM1B1=78000000000, B2=782159992887753480
2020-04-17Oliver KruseC-PRPM4159/31268686049852386409057899188977231895225891280471760041 : 9C54B423D0DE4E25
2019-07-16kkmrkkblmbrbkC-PRPM4159/31268686049852386409057899188977231895225891280471760041 : 7EDFBE58C8474EAC
2019-04-23bunddogC-PRPM4159/known_factors : 7EDFBE58C8474EAC
2019-04-21matzetoniC-PRPM4159/31268686049852386409057899188977231895225891280471760041 : 9C54B423D0DE4E25
2019-04-21SRJ2877C-PRPM4159/31268686049852386409057899188977231895225891280471760041 : 9C54B423D0DE4E25
2019-04-21ANONYMOUSC-PRPM4159/31268686049852386409057899188977231895225891280471760041 : 9C54B423D0DE4E25
2019-04-21ANONYMOUSC-PRPM4159/31268686049852386409057899188977231895225891280471760041 : 9C54B423D0DE4E25
2019-04-21Ryan PropperF-ECMFactor: 31268686049852386409057899188977231895225891280471760041
2018-07-21snme2pm1NFno factor TF: 63-64
2017-03-16BloodIceNF-PM1B1=500000000000, B2=50000000000000, E=12
2016-12-15snme2pm1NFno factor TF: 62-63
2016-05-17-anonymous-NF-PM1B1=100000000000, B2=1000000000000, E=12
2016-02-23LaurVNFno factor TF: 57-58
2015-06-07Sid & AndyNFno factor TF: 61-62
2015-04-19mikrNF-PM1B1=30000000000, B2=2400000000000, E=12
2015-04-11MadPoo 🙂C-LLDCADDF5ED338E564
2015-02-06JayderNF-PM1B1=3092987047, B2=201044158061, E=12
2012-09-29bcp19NFno factor TF: 60-61
2011-04-25JossNF-PM1B1=10000000000
2011-02-10monstNFno factor TF: 58-60
2003-01-16-anonymous-NFno factor TF: 1-57
2003-01-09-anonymous-NF-PM1B1=4290000000
2002-09-22-anonymous-NF-PM1B1=3221225472, B2=4290000000, E=48
2002-08-03-anonymous-NF-PM1B1=2147483648, B2=4290000000, E=48
2002-06-02-anonymous-NF-PM1B1=1073741824, B2=4290000000, E=48
2001-06-30-anonymous-NF-PM1B1=3000000000, B2=4290000000
2001-06-17-anonymous-NF-PM1B1=43000000, B2=4290000000
2001-02-11-anonymous-NF-PM1B1=1000000, B2=100000000
2000-08-24-anonymous-NFno factor TF: 1-56
2000-02-09-anonymous-NFno factor TF: 54-55
1999-12-23-anonymous-NFno factor TF: 53-54
1999-09-22-anonymous-NFno factor TF: 52-53