74 638 951 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 2⁷⁴

P-1

B1 =	620000
B2 =	12400000

Status	Date	User	Residue	Shift
Unverified	2017-06-18	Evgeniy Zavialov	E676AE002A1F05__	17927167

History

Date	User	Type	Result
2017-06-18	Evgeniy Zavialov	C-LL	E676AE002A1F05__
2016-04-01	Mark Rose	NF	no factor from 2^57 to 2^64
2016-01-04	James Heinrich	NF-PM1	B1=620000, B2=12400000, E=6
2015-11-15	TheJudger	NF	no factor from 2^74 to 2^75
2015-11-15	TheJudger	NF	no factor from 2^73 to 2^74
2015-11-05	Bdot	NF	no factor from 2^72 to 2^73
2015-08-22	Judge Hale	NF	no factor from 2^71 to 2^72
2013-08-28	willmore	NF	no factor from 2^70 to 2^71
2012-12-03	-Anonymous-	NF	no factor from 2^69 to 2^70
2010-10-07	korva	NF	no factor from 2^68 to 2^69
2010-10-03	korva	NF	no factor from 2^67 to 2^68
2010-09-30	SAHS Tech Dept	NF	no factor from 2^66 to 2^67
2010-09-12	H_Reid	NF	no factor from 2^65 to 2^66
2010-09-11	Todd A. Hayes	NF	no factor from 2^64 to 2^65