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
53403697Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 625000
B2 = 16250000
LL
StatusDateUserResidueShift
Verified2012-09-02curtiscF4FB6D917265A8DA27504055
Verified2020-04-30Smok_bmv F4FB6D917265A8DA12991636
History
DateUserTypeResult
2020-04-30Smok_bmv C-LL
F4FB6D917265A8DA
2019-07-18lobsterfordinnerNF
no factor from 2^73 to 2^74
2016-02-10AirSquirrelsNF
no factor from 2^72 to 2^73
2012-09-02curtiscC-LL
F4FB6D917265A8DA
2012-04-19RichD0NF
no factor from 2^71 to 2^72
2012-03-07megavinkNF
no factor from 2^70 to 2^71
2011-05-18megavinkNF
no factor from 2^69 to 2^70
2010-11-30Rylan BachmanNF
no factor from 2^68 to 2^69
2010-11-20megavinkNF-PM1
B1=625000, B2=16250000
2009-06-05drmartin4NF
no factor from 2^67 to 2^68
2009-05-23SAHS Science DeptNF
no factor from 2^66 to 2^67
2009-05-19SAHS Science DeptNF
no factor from 2^65 to 2^66
2009-03-17AbadNF
no factor from 2^64 to 2^65
2008-10-14-Anonymous-NF
no factor to 2^64