Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
40809599TF
No factors below 274
TF target 272
P-1
B1 = 450000
B2 = 11250000
LL
StatusDateUserResidueShift
Verified2007-12-31C. Cooper / S. BooneCC403FDD005012194388778
Verified2016-08-08TheJudgerCC403FDD0050121934140548
History
DateUserTypeResult
2020-01-17-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-03-01Bruno VictalNF-PM1
B1=450000, B2=11250000, E=12
2016-08-08TheJudgerC-LL
CC403FDD00501219
2015-06-02Gordon SpenceNF
no factor from 2^71 to 2^72
2014-12-28XyzzyNF
no factor from 2^70 to 2^71
2014-12-28XyzzyNF
no factor from 2^69 to 2^70