78 357 317 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 =	675000
B2 =	12993750

Status	Date	User	Residue	Shift
Unverified	2018-03-06	pzmasta	75CDBF0172C974__	75425429

History

Date	User	Type	Result
2018-03-06	pzmasta	C-LL	75CDBF0172C974__
2016-01-22	Bdot	NF-PM1	B1=675000, B2=12993750
2015-12-21	1997rj7	NF	no factor from 2^74 to 2^75
2014-10-06	LaurV	NF	no factor from 2^73 to 2^74
2014-10-06	LaurV	NF	no factor from 2^72 to 2^73
2014-09-30	NickOfTime	NF	no factor from 2^71 to 2^72
2013-01-14	Bold_Seeker	NF	no factor from 2^70 to 2^71
2011-04-14	Special_Ed	NF	no factor from 2^69 to 2^70
2011-02-19	Special_Ed	NF	no factor from 2^68 to 2^69
2011-01-09	symallad	NF	no factor from 2^67 to 2^68
2011-01-06	Wolfgang Steger	NF	no factor from 2^66 to 2^67
2011-01-02	Ali	NF	no factor from 2^65 to 2^66
2010-10-28	Ethan O'Connor	NF	no factor from 2^64 to 2^65
2008-06-16	-Anonymous-	NF	no factor to 2^64