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
61893547TF
No factors below 274
TF target 274
P-1
B1 = 585000
B2 = 12138750
LL
StatusDateUserResidueShift
Verified2013-10-22Richard7BF2A4F57579285112916599
Verified2022-07-22Andrew G7BF2A4F5757928516050856
History
DateUserTypeResult
2022-07-22Andrew GC-LL
7BF2A4F575792851
2016-03-11-Anonymous-NF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2013-10-22RichardC-LL
7BF2A4F575792851
2013-04-26rx7350NF-PM1
B1=585000, B2=12138750
2013-02-18Jerry HallettNF
no factor from 2^72 to 2^73
2013-02-12Jerry HallettNF
no factor from 2^71 to 2^72
2012-04-28XyzzyNF
no factor from 2^70 to 2^71
2012-04-28XyzzyNF
no factor from 2^69 to 2^70
2009-11-19EledillNF
no factor from 2^68 to 2^69
2009-10-13EledillNF
no factor from 2^67 to 2^68
2009-08-27Razor_FX_IINF
no factor from 2^66 to 2^67
2009-08-27chinabziNF
no factor from 2^65 to 2^66
2009-03-21Sturle SundeNF
no factor from 2^64 to 2^65
2009-02-08ThomasNF
no factor from 2^63 to 2^64