81 934 009 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷⁵

TF target 2⁷⁵

P-1

B1 =	700000
B2 =	14175000

Status	Date	User	Residue	Shift
Unverified	2018-02-19	ky0uraku	3C9F5173ACAA07__	71354067

History

Date	User	Type	Result
2018-02-19	ky0uraku	C-LL	3C9F5173ACAA07__
2017-05-14	TheJudger	NF-PM1	B1=700000, B2=14175000, E=12
2016-11-20	TheJudger	NF	no factor from 2^74 to 2^75
2016-11-20	TheJudger	NF	no factor from 2^73 to 2^74
2016-09-03	1997rj7	NF	no factor from 2^72 to 2^73
2016-09-03	1997rj7	NF	no factor from 2^71 to 2^72
2013-07-17	Templar	NF	no factor from 2^70 to 2^71
2013-06-08	SMoffat	NF	no factor from 2^69 to 2^70
2013-01-30	Charles A. Morris	NF	no factor from 2^68 to 2^69
2013-01-26	fireredd	NF	no factor from 2^67 to 2^68
2011-03-02	-Anonymous-	NF	no factor from 2^66 to 2^67
2011-03-01	-Anonymous-	NF	no factor from 2^65 to 2^66
2010-12-03	Architects Cubed	NF	no factor from 2^64 to 2^65