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
40021021TF
No factors below 274
TF target 272
P-1
B1 = 440000
B2 = 11000000
LL
StatusDateUserResidueShift
Verified2009-05-28ahmerali246979A1D097A94C21374240
Verified2017-02-12-Anonymous-246979A1D097A94C16919201
History
DateUserTypeResult
2020-02-14-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-02-26Bruno VictalNF-PM1
B1=440000, B2=11000000, E=12
2017-02-12-Anonymous-C-LL
246979A1D097A94C
2014-12-27el groccoNF
no factor from 2^71 to 2^72
2014-11-28garoNF
no factor from 2^70 to 2^71
2014-11-28garoNF
no factor from 2^69 to 2^70
2009-05-28ahmeraliC-LL
246979A1D097A94C
2009-03-05ahmeraliNF-PM1
B1=360000, B2=1800000
2009-03-02ahmeraliNF
no factor to 2^69