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
4589707
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 265
P-1
B1 = 4400000
B2 = 11419636800
ECM
DigitsB1Curves
2550000203 / 280
Estimated T-Level: 23.6 ⓘ
TF below 2^73 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
VerifiedKlaus Kastens02DA95D09CE78CFA0Glucas with shift counts,(aka G29)
BadKlaus KastensAD5EF17D9C4322102147471Glucas with shift counts,(aka G29)
BadKlaus KastensAD5EF17D9C4322101491077Glucas with shift counts,(aka G29)
Verified1998-07-11Ben Bradley02DA95D09CE78CFA0Windows,Prime95,v15,(aka WR1)
Bad2002-03-10Shane SanfordA630586764975FDD1999707Windows,Prime95,v21,(aka WX1)
Verified2002-04-07Matt McParland02DA95D09CE78CFA2273766Linux 32-bit,Prime95,v21,(aka WX2)
Verified2019-05-13Team_Inspector02DA95D09CE78CFA284285Windows 64-bit,Prime95,v29.5,build 5
Verified2021-11-02ANONYMOUS02DA95D09CE78CFA2178924Windows 64-bit,Prime95,v30.3,build 6
Verified2024-10-20MadPoo 🙂02DA95D09CE78CFA4147745Windows 64-bit,Prime95,v30.19,build 14
History
DateUserTypeResult
2024-10-20MadPoo 🙂C-LL02DA95D09CE78CFA
2023-02-17Sid & AndyNF-PM1B1=4400000, B2=11419636800
2021-11-02ANONYMOUSC-LL02DA95D09CE78CFA
2021-02-19-anonymous-NFno factor TF: 72-73
2021-02-01-anonymous-NFno factor TF: 71-72
2021-01-26-anonymous-NFno factor TF: 70-71
2021-01-26-anonymous-NFno factor TF: 69-70
2021-01-26-anonymous-NFno factor TF: 68-69
2019-05-13Team_InspectorC-LL02DA95D09CE78CFA
2018-05-21ramgeisNFno factor TF: 67-68
2018-05-21ramgeisNFno factor TF: 66-67
2017-01-29Squeeky_SquirrelNF-PM1B1=285000, B2=8478750, E=12
2017-01-27Ismo LaitelaNF-PM1B1=1988203, B2=61634303, E=12
2016-02-23Mark RoseNFno factor TF: 62-63
2016-02-23Mark RoseNFno factor TF: 60-61
2015-07-03snme2pm1NFno factor TF: 65-66
2015-01-06lycornNFno factor TF: 64-65
2015-01-05JayderNFno factor TF: 63-64
2012-01-08GrunwalderGIMPNFno factor TF: 1-63
2011-12-05Squeeky_SquirrelNF-PM1B1=85000, B2=1572500, E=6
2010-08-15markrNFno factor TF: 61-62
2002-04-07-anonymous-C-LL02DA95D09CE78CFA
2002-03-10shaneamyC-LLA630586764975FDD
1998-07-11-anonymous-C-LL02DA95D09CE78CFA
1998-05-16slaurNFno factor TF: 1-60