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
38973653
Composite: proven not-prime with Lucas-Lehmer test
No factors below 274
TF target 272
P-1
B1 = 425000
B2 = 7968750
LL
StatusDateUserResidueShiftSoftware
Verified2007-07-24Everett C. Wilson8AC1C463055373B811006637Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B812748875Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B813899345Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B814856964Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B814926613Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B815812468Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B817404304Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B818021577Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B81817220Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B820196563Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B822834375Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B823943493Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B82705121Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B827436838Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B829879365Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B830179256Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B8303850Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B830483026Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B83160583Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B831800238Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B834624553Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B834993408Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B836049400Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B836071257Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B87406553Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B88380107Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B88413888Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B829814774Windows,Prime95,v24 final,(aka Wc1)
Verified2007-07-24Everett C. Wilson8AC1C463055373B837693782Windows,Prime95,v24 final,(aka Wc1)
Verified2008-06-14Everett C. Wilson8AC1C463055373B88315804Windows,Prime95,v24 final,(aka Wc1)
Verified2015-06-14MadPoo 🙂8AC1C463055373B82331317Windows 64-bit,Prime95,v26,(aka We4)
History
DateUserTypeResult
2020-02-14-anonymous-NFno factor TF: 73-74
2019-10-12-anonymous-NFno factor TF: 72-73
2019-05-30monstNFno factor TF: 71-72
2015-06-14MadPoo 🙂C-LL8AC1C463055373B8
2015-03-19NesowaNFno factor TF: 70-71
2014-12-09monstNFno factor TF: 69-70
2008-06-13-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-07-24-anonymous-C-LL8AC1C463055373B8
2007-06-15-anonymous-NF-PM1B1=425000, B2=7968750
2006-09-11Brian ChanNFno factor TF: 1-69
2006-09-04Brian ChanNFno factor TF: 1-69
2003-09-29-anonymous-NFno factor TF: 1-60
2003-09-14-anonymous-NFno factor TF: 1-59