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
332399279
Composite: proven not-prime with Lucas-Lehmer test
No factors below 281
TF target 281
P-1
B1 = 2000000
B2 = 482381970
LL
StatusDateUserResidueShiftSoftware
Verified2022-04-28yphysicsD5C905F2C2E5AE1F70862427Windows 64-bit,Prime95,v30.3,build 6
Verified2023-10-20MadPoo 🙂D5C905F2C2E5AE1F92800361Windows 64-bit,Prime95,v30.18,build 2
History
DateUserTypeResult
2023-10-20MadPoo 🙂C-LLD5C905F2C2E5AE1F
2023-10-18James HeinrichNFno factor TF: 67-68
2022-12-20Naegi MakotoNF-PM1B1=2000000, B2=482381970
2022-12-13Naegi MakotoNFno factor TF: 80-81
2022-10-01Naegi MakotoNFno factor TF: 79-80
2022-09-30Naegi MakotoNFno factor TF: 78-79
2022-04-28yphysicsC-LLD5C905F2C2E5AE1F
2021-06-29Jon PaceNFno factor TF: 77-78
2019-11-10MadPoo 🙂NF-PM1B1=100000, B2=1000000
2019-04-10MadPoo 🙂NF-PM1B1=100000
2016-10-12Grant McCrackenNFno factor TF: 76-77
2015-01-28Jacques MOLNENFno factor TF: 75-76
2015-01-26Jacques MOLNENFno factor TF: 74-75
2015-01-12Jacques MOLNENFno factor TF: 73-74
2013-01-24LaurVNFno factor TF: 72-73
2011-05-02Christian GeschwentnerNFno factor TF: 71-72
2010-09-17Grant McCrackenNFno factor TF: 70-71
2009-07-02unconnectedNFno factor TF: 69-70
2009-07-02unconnectedNFno factor TF: 68-69