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
79314817
Composite: proven not-prime with Lucas-Lehmer test
No factors below 276
TF target 275
P-1
B1 = 639000
B2 = 430048710
LL
StatusDateUserResidueShiftSoftware
Verified2018-05-05PascalBieriA34DF2016CB4B18478143148Windows 64-bit,Prime95,v28.7,build 1
Verified2025-11-13ANONYMOUSA34DF2016CB4B184373485Windows 64-bit,Prime95,v30.7,build 9
History
DateUserTypeResult
2025-11-13ANONYMOUSC-LL
A34DF2016CB4B184
2025-09-19ElectricBillNF-PM1B1=639000, B2=430048710
2025-08-11ElectricBillNFno factor TF: 75-76
2018-05-05PascalBieriC-LL
A34DF2016CB4B184
2016-09-11baseyNF-PM1B1=670000, B2=13567500, E=12
2016-08-31Kevin JagetNFno factor TF: 74-75
2016-08-31Kevin JagetNFno factor TF: 73-74
2016-08-01Matthias WurtingerNFno factor TF: 72-73
2014-01-14S04803NFno factor TF: 71-72
2013-01-18sasablNFno factor TF: 70-71
2011-02-26eon_blue_apocalypseNFno factor TF: 69-70
2010-12-18Craig MeyersNFno factor TF: 68-69
2010-12-12Craig MeyersNFno factor TF: 67-68
2010-11-21CreweNetNFno factor TF: 66-67
2010-11-18-anonymous-NFno factor TF: 65-66
2009-06-30Patrik JohanssonNFno factor TF: 64-65
2009-04-27markrNFno factor TF: 63-64