74 812 789 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 =	625000
B2 =	12500000

Status	Date	User	Residue	Shift
Unverified	2017-03-13	Jack The Ripper	EBA470DE1D94FC__	32330764

History

Date	User	Type	Result
2017-03-13	Jack The Ripper	C-LL	EBA470DE1D94FC__
2016-04-02	Mark Rose	NF	no factor from 2^57 to 2^64
2016-01-09	James Heinrich	NF-PM1	B1=625000, B2=12500000, E=6
2015-11-27	PDW	NF	no factor from 2^74 to 2^75
2015-11-27	PDW	NF	no factor from 2^73 to 2^74
2015-11-27	PDW	NF	no factor from 2^72 to 2^73
2015-08-25	Judge Hale	NF	no factor from 2^71 to 2^72
2013-08-07	SMoffat	NF	no factor from 2^70 to 2^71
2012-10-22	SWL551	NF	no factor from 2^69 to 2^70
2010-10-25	korva	NF	no factor from 2^68 to 2^69
2010-07-26	-Anonymous-	NF	no factor from 2^67 to 2^68
2010-07-23	kswisz	NF	no factor from 2^66 to 2^67
2010-07-17	S00030	NF	no factor from 2^65 to 2^66
2010-07-16	Erik	NF	no factor from 2^64 to 2^65