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
52212343TF
No factors below 274
TF target 273
P-1
B1 = 625000
B2 = 18906250
LL
StatusDateUserResidueShift
Verified2011-05-07Hartmuth Gutsche0C991F972AC28CBA40736321
Verified2019-07-18d3zorg0C991F972AC28CBA3762195
History
DateUserTypeResult
2019-07-18d3zorgC-LL
0C991F972AC28CBA
2019-06-20Jon PaceNF
no factor from 2^73 to 2^74
2016-02-02AirSquirrelsNF
no factor from 2^72 to 2^73
2015-12-18-Anonymous-NF
no factor from 2^71 to 2^72
2015-10-03VictordeHollanderNF
no factor from 2^70 to 2^71
2014-11-05NesowaNF
no factor from 2^69 to 2^70
2011-05-07Hartmuth GutscheC-LL
0C991F972AC28CBA
2010-06-28jomateixNF
no factor from 2^68 to 2^69
2010-06-17TheJudgerNF-PM1
B1=625000, B2=18906250
2009-05-09keithmitchelmoreNF
no factor from 2^67 to 2^68
2008-12-13BranMuffinNF
no factor from 2^66 to 2^67
2008-12-09BranMuffinNF
no factor from 2^65 to 2^66
2008-12-07BranMuffinNF
no factor from 2^64 to 2^65
2008-11-03DerekNF
no factor to 2^64