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
55110421TF
No factors below 274
TF target 273
P-1
B1 = 585000
B2 = 13747500
LL
StatusDateUserResidueShift
Bad2012-08-25Alexander BarasA02F4C2E3F0C776F14549550
Verified2012-09-17Richard KintC20867868466714838723237
Verified2016-03-19NoPolarBearsHereC20867868466714844813462
History
DateUserTypeResult
2021-11-14LordJuliusNF
no factor from 2^73 to 2^74
2016-03-19NoPolarBearsHereC-LL
C208678684667148
2015-07-29Mark RoseNF
no factor from 2^72 to 2^73
2012-09-17Richard KintC-LL
C208678684667148
2012-08-25Alexander BarasC-LL
A02F4C2E3F0C776F
2012-06-06BdotNF
no factor from 2^71 to 2^72
2012-01-07oodairaNF-PM1
B1=585000, B2=13747500
2011-05-25shaugeNF
no factor from 2^70 to 2^71
2011-05-25shaugeNF
no factor from 2^69 to 2^70
2011-04-02-Anonymous-NF
no factor from 2^68 to 2^69
2009-08-26-Anonymous-NF
no factor from 2^67 to 2^68
2009-03-08Mads JohansenNF
no factor from 2^66 to 2^67
2009-03-07Sturle SundeNF
no factor from 2^65 to 2^66
2009-03-06Sturle SundeNF
no factor from 2^64 to 2^65
2008-08-11-Anonymous-NF
no factor to 2^64