Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
61988957TF
No factors below 275
TF target 274
P-1
B1 = 590000
B2 = 12095000
LL
StatusDateUserResidueShift
Verified2015-11-22William Wallace7A10D197DF438A6F59005671
Verified2022-07-09Sergey Nosov7A10D197DF438A6F40677512
History
DateUserTypeResult
2022-07-09Sergey NosovC-LL
7A10D197DF438A6F
2020-10-06XyzzyNF
no factor from 2^74 to 2^75
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-11-22William WallaceC-LL
7A10D197DF438A6F
2014-06-22chalsallNF
no factor from 2^73 to 2^74
2013-05-21owftheevilNF-PM1
B1=590000, B2=12095000, E=6
2013-03-08Kevin JagetNF
no factor from 2^72 to 2^73
2013-02-13ktonyNF
no factor from 2^71 to 2^72
2013-02-10SWL551NF
no factor from 2^70 to 2^71
2011-11-27JaeckelNF
no factor from 2^69 to 2^70
2009-10-21cnaTb_xo4yNF
no factor from 2^68 to 2^69
2009-10-14cnaTb_xo4yNF
no factor from 2^67 to 2^68
2009-10-08cnaTb_xo4yNF
no factor from 2^66 to 2^67
2009-10-02Lars NordmeyerNF
no factor from 2^65 to 2^66
2009-07-25Sturle SundeNF
no factor from 2^64 to 2^65
2009-06-15markrNF
no factor from 2^63 to 2^64