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
38492137TF
No factors below 273
TF target 272
P-1
B1 = 205000
B2 = 3946250
LL
StatusDateUserResidueShift
Verified2007-07-04Jack Alvrus0ABA97F50D80C5EA19873242
Verified2015-10-23McAlister0ABA97F50D80C5EA20966933
History
DateUserTypeResult
2019-06-03Sid & AndyNF
no factor from 2^72 to 2^73
2019-04-25monstNF
no factor from 2^71 to 2^72
2015-10-23McAlisterC-LL
0ABA97F50D80C5EA
2014-12-04chalsallNF
no factor from 2^70 to 2^71
2014-11-27BdotNF
no factor from 2^69 to 2^70
2010-05-24Carsten KossendeyNF-PM1
B1=205000, B2=3946250, E=6