Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
42765221TF
No factors below 273
TF target 272
P-1
B1 = 570000
B2 = 11400000
LL
StatusDateUserResidueShift
Verified2009-10-27curtisc828B7DD034366E9A23773630
Verified2016-10-26Eugene828B7DD034366E9A10788261
History
DateUserTypeResult
2018-12-24Architects CubedNF-PM1
B1=570000, B2=11400000, E=12
2018-10-27Random GPUsNF
no factor from 2^72 to 2^73
2016-10-26EugeneC-LL
828B7DD034366E9A
2015-09-03-Anonymous-NF
no factor from 2^71 to 2^72
2015-04-11Mark RoseNF
no factor from 2^70 to 2^71
2014-11-24Grant McCrackenNF
no factor from 2^69 to 2^70
2014-01-04LaurVNF
no factor from 2^68 to 2^69
2009-10-27curtiscC-LL
828B7DD034366E9A
2009-09-20curtiscNF-PM1
B1=715000