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
46475447Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 555000
B2 = 16650000
LL
StatusDateUserResidueShift
Verified2008-12-06Graeme Willoughby4FD9C539751F216A9474345
Verified2017-06-15Igor_V_Sharov4FD9C539751F216A3343956
History
DateUserTypeResult
2024-06-25GregNF
no factor from 2^71 to 2^72
2024-06-25GregNF
no factor from 2^70 to 2^71
2018-07-29monstNF
no factor from 2^72 to 2^73
2017-06-15Igor_V_SharovC-LL
4FD9C539751F216A
2015-11-07-Anonymous-NF
no factor from 2^71 to 2^72
2015-11-07-Anonymous-NF
no factor from 2^70 to 2^71
2015-08-29Mark RoseNF
no factor from 2^69 to 2^70
2014-08-28VictordeHollanderNF
no factor from 2^68 to 2^69
2008-12-06Graeme WilloughbyC-LL
4FD9C539751F216A
2008-10-31KYOJI_KAMEINF-PM1
B1=555000, B2=16650000, E=4