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
49664977TF
No factors below 276
TF target 273
P-1
B1 = 1500000
B2 = 45000000
LL
StatusDateUserResidueShift
Verified2011-03-25David J. Stucki345CC958BA08922640942516
Verified2019-08-21d3zorg345CC958BA08922619354815
History
DateUserTypeResult
2021-09-27Anton RepkoNF
no factor from 2^75 to 2^76
2021-09-06Sid & AndyNF
no factor from 2^74 to 2^75
2021-02-25Sid & AndyNF-PM1
B1=1500000, B2=45000000
2019-08-21d3zorgC-LL
345CC958BA089226
2018-12-23-Anonymous-NF
no factor from 2^73 to 2^74
2018-02-12monstNF
no factor from 2^72 to 2^73
2015-12-13AirSquirrelsNF
no factor from 2^71 to 2^72
2015-12-13AirSquirrelsNF
no factor from 2^70 to 2^71
2015-07-16Gordon SpenceNF
no factor from 2^69 to 2^70
2011-03-25David J. StuckiC-LL
345CC958BA089226
2010-04-12Yuchen ZhangNF-PM1
B1=780000