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
75153217
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 274
P-1
B1 = 630000
B2 = 12600000
LL
StatusDateUserResidueShiftSoftware
Verified2017-04-12curtiscEDEE5A1A3AD51BF112258629Windows Service,Prime95,v28.7,build 1
Verified2025-03-26Dmitriy DegtiarevEDEE5A1A3AD51BF19355248Linux 64-bit,Prime95,v30.3,build 6
History
DateUserTypeResult
2025-03-26Dmitriy DegtiarevC-LLEDEE5A1A3AD51BF1
2017-04-12curtiscC-LLEDEE5A1A3AD51BF1
2016-01-15NesowaNF-PM1B1=630000, B2=12600000, E=12
2015-12-24blipNFno factor TF: 74-75
2015-12-24blipNFno factor TF: 73-74
2015-12-24blipNFno factor TF: 72-73
2015-09-02ChuckNFno factor TF: 71-72
2014-02-18Ryan PropperNFno factor TF: 70-71
2012-12-10NoWhereManNFno factor TF: 69-70
2010-10-25Martin PrusaNFno factor TF: 68-69
2010-10-22Martin PrusaNFno factor TF: 67-68
2010-10-22MarekBNFno factor TF: 66-67
2010-10-13JMGarciaNFno factor TF: 65-66
2010-10-12-anonymous-NFno factor TF: 64-65
2005-02-12MarzbugNFno factor TF: 1-64
2005-01-10MarzbugNFno factor TF: 1-64
2004-12-13MarzbugNFno factor TF: 1-64
2004-04-20MarzbugNFno factor TF: 1-63
2003-07-13MarzbugNFno factor TF: 1-63