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
75567691
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 274
P-1
B1 = 660000
B2 = 13035000
LL
StatusDateUserResidueShiftSoftware
Verified2017-09-01BigHeadScientistDBC157FEF00469CC74009025Linux 64-bit,Prime95,v28.10,build 1
Verified2025-02-02Evgeniy ZavialovDBC157FEF00469CC3739389Windows 64-bit,Prime95,v30.19,build 20
History
DateUserTypeResult
2025-02-02Evgeniy ZavialovC-LLDBC157FEF00469CC
2017-09-01BigHeadScientistC-LLDBC157FEF00469CC
2016-05-31BdotNF-PM1B1=660000, B2=13035000, E=6
2016-04-03Mark RoseNFno factor TF: 63-64
2016-04-02Mark RoseNFno factor TF: 64-65
2016-03-25Chris SmithNFno factor TF: 74-75
2016-03-25Chris SmithNFno factor TF: 73-74
2016-02-14Judge HaleNFno factor TF: 72-73
2015-09-06Judge HaleNFno factor TF: 71-72
2013-07-29-anonymous-NFno factor TF: 70-71
2013-05-21pussijussiNFno factor TF: 69-70
2010-10-11Sid & AndyNFno factor TF: 68-69
2010-10-04Sid & AndyNFno factor TF: 67-68
2010-10-01UgmNFno factor TF: 66-67
2010-10-01-anonymous-NFno factor TF: 65-66
2004-01-27MarzbugNFno factor TF: 1-63