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
48934889Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 273
P-1
B1 = 550000
B2 = 14162500
LL
StatusDateUserResidueShift
Verified2010-11-29Jens Bolm6A84E9F3FD8C7B0E45407610
Verified2017-12-04GrunwalderGIMP6A84E9F3FD8C7B0E22543922
History
DateUserTypeResult
2017-12-04GrunwalderGIMPC-LL
6A84E9F3FD8C7B0E
2017-09-07-Anonymous-NF
no factor from 2^72 to 2^73
2015-11-20-Anonymous-NF
no factor from 2^71 to 2^72
2015-10-01Mark RoseNF
no factor from 2^70 to 2^71
2010-11-29Jens BolmC-LL
6A84E9F3FD8C7B0E
2010-11-29Jens BolmNF-PM1
B1=550000, B2=14162500