83 280 853 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 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	665000
B2 =	12967500

Status	Date	User	Residue	Shift
Unverified	2018-01-12	ky0uraku	4EC8E8E6BC7E6B__	43445575

History

Date	User	Type	Result
2018-01-12	ky0uraku	C-LL	4EC8E8E6BC7E6B__
2017-09-04	Oliver Kruse	NF-PM1	B1=665000, B2=12967500, E=12
2017-02-19	TheJudger	NF	no factor from 2^75 to 2^76
2016-12-17	-Anonymous-	NF	no factor from 2^74 to 2^75
2016-12-17	-Anonymous-	NF	no factor from 2^73 to 2^74
2016-12-17	-Anonymous-	NF	no factor from 2^72 to 2^73
2016-12-17	-Anonymous-	NF	no factor from 2^71 to 2^72
2014-08-07	Ryan Propper	NF	no factor from 2^70 to 2^71
2014-03-25	Judge Hale	NF	no factor from 2^69 to 2^70
2014-01-20	Carsten Kossendey	NF	no factor from 2^68 to 2^69
2013-09-04	RMAC9.5	NF	no factor from 2^67 to 2^68
2013-06-29	Norman Ley	NF	no factor from 2^66 to 2^67
2012-08-19	Carsten Kossendey	NF	no factor from 2^65 to 2^66
2010-12-19	Architects Cubed	NF	no factor from 2^64 to 2^65