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
42186719TF
No factors below 273
TF target 272
P-1
B1 = 710000
B2 = 710000
LL
StatusDateUserResidueShift
Bad2009-05-17-Anonymous-571A02BEC1CEEA5931874238
Verified2009-11-01curtisc4F535FD0411FDBC79041324
Verified2016-05-30ChavdarLalov4F535FD0411FDBC729762705
History
DateUserTypeResult
2018-08-11-Anonymous-NF
no factor from 2^72 to 2^73
2016-05-30ChavdarLalovC-LL
4F535FD0411FDBC7
2015-07-29Sid & AndyNF
no factor from 2^71 to 2^72
2015-03-08Mark RoseNF
no factor from 2^70 to 2^71
2015-01-21el groccoNF
no factor from 2^69 to 2^70
2014-01-04Torben K.NF
no factor from 2^68 to 2^69
2009-11-01curtiscC-LL
4F535FD0411FDBC7
2009-05-17DustyC-LL
571A02BEC1CEEA59
2009-03-16DustyNF-PM1
B1=710000