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
63323863TF
No factors below 274
TF target 274
P-1
B1 = 1000000
B2 = 30000000
LL
StatusDateUserResidueShift
Verified2014-07-25Amazon EC2890ECB4AEB399ACD51606854
Bad2022-05-27Egor K4AC3285DEB667B0A53306207
Verified2022-05-29ATH890ECB4AEB399ACD0
History
DateUserTypeResult
2022-06-23riccardo ubertiNF-PM1
B1=1000000, B2=30000000
2022-05-29ATHC-LL
890ECB4AEB399ACD
2022-05-27Egor KC-LL
4AC3285DEB667B0A
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2014-07-25Amazon EC2C-LL
890ECB4AEB399ACD
2013-07-13ChuckNF-PM1
B1=565000, B2=10876250, E=6
2013-07-03Jerry HallettNF
no factor from 2^73 to 2^74
2013-05-19Kyle AskineNF
no factor from 2^72 to 2^73
2013-05-16electron1897NF
no factor from 2^71 to 2^72
2012-06-06sannerud.comNF
no factor from 2^70 to 2^71
2011-12-22arnaudNF
no factor from 2^69 to 2^70
2009-11-28SAHS Science DeptNF
no factor from 2^68 to 2^69
2009-11-25jesterkingNF
no factor from 2^67 to 2^68
2009-11-22GrunwalderGIMPNF
no factor from 2^66 to 2^67
2009-09-15tokenmathguyNF
no factor from 2^65 to 2^66
2009-09-08coreypobNF
no factor from 2^64 to 2^65
2009-02-17Wojciech FlorekNF
no factor from 2^63 to 2^64