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
48322763
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 272
P-1
B1 = 555000
B2 = 12348750
LL
StatusDateUserResidueShiftSoftware
Bad2010-11-09arnaudC69BFFC48E8EAF111096533Windows Service,Prime95,v25.11,build 2
Verified2016-02-03Greg36DB47E2B91215BD36197039CUDALucas v2.05 Beta
Verified2016-08-23AirSquirrels36DB47E2B91215BD0clLucas v1.04
History
DateUserTypeResult
2018-02-21monstNFno factor TF: 72-73
2016-08-23AirSquirrelsC-LL36DB47E2B91215BD
2016-02-03GregC-LL36DB47E2B91215BD
2015-12-04-anonymous-NFno factor TF: 71-72
2015-09-17LaurVNFno factor TF: 70-71
2015-09-01-anonymous-NFno factor TF: 69-70
2010-11-09arnaudC-LLC69BFFC48E8EAF11
2010-08-18arnaudNF-PM1B1=555000, B2=12348750
2008-05-10WorknPlayNFno factor TF: 1-69
2008-04-24Wojciech FlorekNFno factor TF: 1-64
2008-04-07Wojciech FlorekNFno factor TF: 1-64
2008-03-031997rj7NFno factor TF: 1-63
2004-01-07Thomas MullenNFno factor TF: 1-60
2003-06-06Thomas MullenNFno factor TF: 1-59