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
63587723TF
No factors below 275
TF target 274
P-1
B1 = 570000
B2 = 11257500
LL
StatusDateUserResidueShift
Verified2014-08-01Shane R8AF6428DA62E4A3525906315
Verified2023-01-31Andrey Mitrofanov8AF6428DA62E4A3546030875
History
DateUserTypeResult
2023-01-31Andrey MitrofanovC-LL
8AF6428DA62E4A35
2022-12-02aupNF
no factor from 2^74 to 2^75
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2014-08-01Shane RC-LL
8AF6428DA62E4A35
2013-10-05RichD0NF-PM1
B1=570000, B2=11257500, E=12
2013-09-29TheJudgerNF
no factor from 2^73 to 2^74
2013-06-12TheJudgerNF
no factor from 2^72 to 2^73
2013-06-12TheJudgerNF
no factor from 2^71 to 2^72
2012-05-25firereddNF
no factor from 2^70 to 2^71
2011-12-28S00030NF
no factor from 2^69 to 2^70
2009-10-10piero zaNF
no factor from 2^68 to 2^69
2009-10-07piero zaNF
no factor from 2^67 to 2^68
2009-10-03SAHS Science DeptNF
no factor from 2^66 to 2^67
2009-09-07SAHS Science DeptNF
no factor from 2^65 to 2^66
2009-09-05plusplusNF
no factor from 2^64 to 2^65
2009-02-23Wojciech FlorekNF
no factor from 2^63 to 2^64