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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MnStatusDetails
49547933TF
No factors below 274
TF target 273
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Verified2011-04-18curtisc48B81DBFCA560F1849237406
Verified2016-10-05www.kodeks.karelia.ru48B81DBFCA560F1814576051
History
DateUserTypeResult
2019-07-15Jon PaceNF
no factor from 2^73 to 2^74
2019-07-09Sid & AndyNF-PM1
B1=1000000, B2=20000000
2017-12-13monstNF
no factor from 2^72 to 2^73
2016-10-05www.kodeks.karelia.ruC-LL
48B81DBFCA560F18
2015-12-21AirSquirrelsNF
no factor from 2^71 to 2^72
2015-12-21AirSquirrelsNF
no factor from 2^70 to 2^71
2015-08-06LaurVNF
no factor from 2^69 to 2^70
2011-04-18curtiscC-LL
48B81DBFCA560F18
2011-02-14curtiscNF-PM1
B1=785000