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
48981529Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 565000
B2 = 13701250
LL
StatusDateUserResidueShift
Verified2010-03-15lindedC02BE14DBCFB141D30851078
Verified2017-12-03Dax MickelsonC02BE14DBCFB141D30687289
History
DateUserTypeResult
2020-04-12ATHNF
no factor from 2^73 to 2^74
2017-12-03Dax MickelsonC-LL
C02BE14DBCFB141D
2017-09-27monstNF
no factor from 2^72 to 2^73
2015-11-22-Anonymous-NF
no factor from 2^71 to 2^72
2015-05-17krackerNF
no factor from 2^70 to 2^71
2015-05-16LaurVNF
no factor from 2^69 to 2^70
2010-03-15lindedC-LL
C02BE14DBCFB141D
2010-01-14lindedNF-PM1
B1=565000, B2=13701250