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
59309297TF
No factors below 274
TF target 273
P-1
B1 = 555000
B2 = 11238750
LL
StatusDateUserResidueShift
Verified2014-03-17Mark L.7561556A8608D93125322567
Verified2021-09-08Andrey Mitrofanov7561556A8608D9314538687
History
DateUserTypeResult
2021-09-08Andrey MitrofanovC-LL
7561556A8608D931
2019-01-02-Anonymous-NF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^58 to 2^63
2014-03-17Mark L.C-LL
7561556A8608D931
2013-02-28Kyle AskineNF-PM1
B1=555000, B2=11238750, E=6
2012-07-18Tom DuellNF
no factor from 2^72 to 2^73
2012-07-18Tom DuellNF
no factor from 2^71 to 2^72
2011-10-21dmaineNF
no factor from 2^70 to 2^71
2011-07-13XyzzyNF
no factor from 2^69 to 2^70
2009-06-17JShaftNF
no factor from 2^68 to 2^69
2008-11-24korvaNF
no factor from 2^67 to 2^68
2008-11-18korvaNF
no factor from 2^66 to 2^67
2008-11-14korvaNF
no factor from 2^65 to 2^66
2008-11-11Sturle SundeNF
no factor from 2^64 to 2^65
2008-06-21monstNF
no factor from 2^63 to 2^64