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
61304351TF
No factors below 276
TF target 274
P-1
B1 = 1000000
B2 = 30000000
LL
StatusDateUserResidueShift
Bad2013-04-07-Anonymous-BB728B3A38BF38EF40426861
Verified2021-06-30irowiki5A0E2681E0E0B74E31992639
Verified2021-11-13techn1ciaN5A0E2681E0E0B74E0
History
DateUserTypeResult
2021-11-13techn1ciaNC-LL
5A0E2681E0E0B74E
2021-08-21riccardo ubertiNF-PM1
B1=1000000, B2=30000000, E=12
2021-07-07MadPooNF
no factor from 2^75 to 2^76
2021-07-02MadPooNF
no factor from 2^74 to 2^75
2021-06-30irowikiC-LL
5A0E2681E0E0B74E
2016-02-26AirSquirrelsNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2013-04-07-Anonymous-C-LL
BB728B3A38BF38EF
2013-02-09-Anonymous-NF-PM1
B1=685000
2013-01-23Jerry HallettNF
no factor from 2^72 to 2^73
2011-11-11phoenicisNF
no factor from 2^71 to 2^72
2011-11-11phoenicisNF
no factor from 2^70 to 2^71
2011-11-11phoenicisNF
no factor from 2^69 to 2^70
2009-09-25willmoreNF
no factor from 2^68 to 2^69
2009-09-23willmoreNF
no factor from 2^67 to 2^68
2009-04-13RoaldSNF
no factor from 2^66 to 2^67
2009-04-11RoaldSNF
no factor from 2^65 to 2^66
2009-02-05InhumiererNF
no factor from 2^64 to 2^65
2009-01-31Howard ChungNF
no factor from 2^63 to 2^64