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
41985929TF
No factors below 274
TF target 272
P-1
B1 = 495000
B2 = 11261250
LL
StatusDateUserResidueShift
Verified2011-03-31ANONYMOUS85B02E3A5DC703FF24899588
Verified2017-09-09Sergey Nosov85B02E3A5DC703FF37744581
History
DateUserTypeResult
2020-01-24-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-06-Anonymous-NF
no factor from 2^72 to 2^73
2017-09-09Sergey NosovC-LL
85B02E3A5DC703FF
2015-08-27AirSquirrelsNF
no factor from 2^71 to 2^72
2015-02-25Mark RoseNF
no factor from 2^70 to 2^71
2015-01-18BdotNF
no factor from 2^69 to 2^70
2014-02-28bayanneNF
no factor from 2^68 to 2^69
2011-03-31ANONYMOUSC-LL
85B02E3A5DC703FF
2009-05-13harvey in caboolNF-PM1
B1=495000, B2=11261250