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
38904911TF
No factors below 275
TF target 272
P-1
B1 = 1030000
B2 = 22917500
LL
StatusDateUserResidueShift
Bad2007-07-24Sova008394CBF7E19DE227483818
Bad2016-01-29ktony1A6F6847C01FEC9919455000
Verified2016-02-04ATH4DFB9CF9665E726619458543
Verified2016-02-11Mark Rose4DFB9CF9665E726626938428
History
DateUserTypeResult
2020-11-15-Anonymous-NF
no factor from 2^74 to 2^75
2020-07-27Architects CubedNF-PM1
B1=1030000, B2=22917500, E=12
2020-02-21-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2019-04-16monstNF
no factor from 2^71 to 2^72
2016-02-11Mark RoseC-LL
4DFB9CF9665E7266
2016-02-04ATHC-LL
4DFB9CF9665E7266
2016-01-29ktonyC-LL
1A6F6847C01FEC99
2014-12-07XyzzyNF
no factor from 2^70 to 2^71
2014-12-07XyzzyNF
no factor from 2^69 to 2^70
2013-08-31america64NF
no factor from 2^68 to 2^69