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
56506987TF
No factors below 274
TF target 273
P-1
B1 = 605000
B2 = 14822500
LL
StatusDateUserResidueShift
Verified2012-08-03joseph59932EE60ACF13A5AE415287389
Verified2021-04-18Andrey Mitrofanov32EE60ACF13A5AE427445160
History
DateUserTypeResult
2021-04-18Andrey MitrofanovC-LL
32EE60ACF13A5AE4
2018-10-26Sid & AndyNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^63 to 2^64
2016-01-22-Anonymous-NF
no factor from 2^72 to 2^73
2012-08-03joseph599C-LL
32EE60ACF13A5AE4
2012-05-18Craig MeyersNF
no factor from 2^71 to 2^72
2012-04-30KCNF-PM1
B1=605000, B2=14822500, E=12
2011-09-01Antonio MolinaNF
no factor from 2^70 to 2^71
2011-06-26XyzzyNF
no factor from 2^69 to 2^70
2011-04-16Ralf ReckerNF
no factor from 2^68 to 2^69
2009-11-20tmorrowNF
no factor from 2^67 to 2^68
2008-03-14Sturle SundeNF
no factor from 2^66 to 2^67
2008-03-12Sturle SundeNF
no factor from 2^65 to 2^66
2008-03-11-Anonymous-NF
no factor from 2^64 to 2^65