67 630 439 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 =	615000
B2 =	12607500

Status	Date	User	Residue	Shift
Verified	2016-06-15	Shnobel	A544B1EE6D21D215	3117642
Verified	2023-05-25	Ryan Propper	A544B1EE6D21D215	53196878

History

Date	User	Type	Result
2023-05-25	Ryan Propper	C-LL	A544B1EE6D21D215
2016-06-15	Shnobel	C-LL	A544B1EE6D21D215
2016-03-28	Mark Rose	NF	no factor from 2^61 to 2^63
2016-02-06	Judge Hale	NF	no factor from 2^74 to 2^75
2014-06-01	TheJudger	NF-PM1	B1=615000, B2=12607500, E=12
2014-05-11	TheJudger	NF	no factor from 2^73 to 2^74
2014-05-11	TheJudger	NF	no factor from 2^72 to 2^73
2014-05-11	TheJudger	NF	no factor from 2^71 to 2^72
2012-07-16	-Anonymous-	NF	no factor from 2^70 to 2^71
2012-03-03	albin_pouilles	NF	no factor from 2^69 to 2^70
2010-06-23	korva	NF	no factor from 2^68 to 2^69
2009-04-09	unconnected	NF	no factor from 2^67 to 2^68
2009-04-07	Son Johan	NF	no factor from 2^66 to 2^67
2009-04-05	Michael Bammann	NF	no factor from 2^65 to 2^66
2009-04-04	Michael Bammann	NF	no factor from 2^64 to 2^65
2008-12-24	Wojciech Florek	NF	no factor from 2^63 to 2^64