Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
33600271
Composite: 1 known prime factor
Trial Factored to 273
TF target 271
Factored
FactorDigitsBitsDate
64199881909205847071992272.42019-12-26 11:51:37
LL
StatusDateUserResidueShiftSoftware
Factored2007-12-03Mark Ramsay6D572DA5462E322825894041Windows,Prime95,v24 final,(aka Wc1)
Factored2015-01-14Architects Cubed6D572DA5462E322820583807Linux 64-bit,Prime95,v27.9,build 1
Bad2015-02-11Dirk Zelmanski0F080552F6EB70FD23488283Windows,Prime95,v28.5,build 2
Factored2015-02-18Dirk Zelmanski6D572DA5462E32283649176Windows 64-bit,Prime95,v28.5,build 2
Factored2015-03-15Dirk Zelmanski6D572DA5462E322826893416Windows,Prime95,v28.5,build 2
History
DateUserTypeResult
2025-06-16GregFFactor: 6419988190920584707199 / TF: 72-73
2024-05-21James HeinrichNFno factor TF: 68-69
2019-12-26-anonymous-FFactor: 6419988190920584707199 / TF: 72-73*
2019-12-26-anonymous-NFno factor TF: 71-72
2015-03-15Dirk ZelmanskiC-LL6D572DA5462E3228
2015-02-18Dirk ZelmanskiC-LL6D572DA5462E3228
2015-02-11Dirk ZelmanskiC-LL0F080552F6EB70FD
2015-01-14Architects CubedC-LL6D572DA5462E3228
2014-04-09Andrew BNFno factor TF: 70-71
2013-01-09bcp19NFno factor TF: 69-70
2012-12-31Carsten KossendeyNFno factor TF: 68-69
2007-12-03markrC-LL6D572DA5462E3228
2003-06-30-anonymous-NFno factor TF: 1-68
2003-06-23-anonymous-NFno factor TF: 1-68
2003-06-06markrNFno factor TF: 1-64
2003-06-01markrNFno factor TF: 1-64