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:










MnStatusDetails
43902763Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 525000
B2 = 13256250
LL
StatusDateUserResidueShift
Verified2009-07-17linded0F2FD7D18D12C50818329732
Verified2018-04-13Remi Lucet0F2FD7D18D12C50822584072
History
DateUserTypeResult
2018-04-13Remi LucetC-LL
0F2FD7D18D12C508
2018-03-29Mark RoseNF
no factor from 2^72 to 2^73
2015-10-07tigreroarsNF
no factor from 2^71 to 2^72
2015-10-04Bruno VictalNF
no factor from 2^70 to 2^71
2015-04-22LaurVNF
no factor from 2^69 to 2^70
2014-01-30LaurVNF
no factor from 2^68 to 2^69
2009-07-17lindedC-LL
0F2FD7D18D12C508
2009-06-03lindedNF-PM1
B1=525000, B2=13256250