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
46205657
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 272
P-1
B1 = 555000
B2 = 17482500
LL
StatusDateUserResidueShiftSoftware
Verified2012-04-12curtisc4C4B638ADB7006F511318932Windows Service,Prime95,v26.5,build 5
Bad2017-04-29doesnotcompute425A183AB352195A9819476433Windows 64-bit,Prime95,v28.10,build 1
Verified2017-06-14MadPoo 🙂4C4B638ADB7006F54581498Windows 64-bit,Prime95,v26,(aka We4)
History
DateUserTypeResult
2018-01-04-anonymous-NFno factor TF: 72-73
2017-06-14MadPoo 🙂C-LL4C4B638ADB7006F5
2017-04-29doesnotcompute42C-LL5A183AB352195A98
2012-04-12curtiscC-LL4C4B638ADB7006F5
2011-11-15GregNFno factor TF: 71-72
2011-11-15GregNFno factor TF: 70-71
2011-11-15GregNFno factor TF: 69-70
2011-11-09Ethan O'ConnorNFno factor TF: 68-69
2008-10-21Sturle SundeNF-PM1B1=555000, B2=17482500, E=6
2008-03-11S36049NFno factor TF: 1-68
2008-01-15-anonymous-NFno factor TF: 63-64