73 622 873 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 =	650000
B2 =	13975000

Status	Date	User	Residue	Shift
Unverified	2016-03-11	Shnobel	523A07C56FB2E6__	63491515

History

Date	User	Type	Result
2016-03-11	Shnobel	C-LL	523A07C56FB2E6__
2015-10-17	LaurV	NF-PM1	B1=650000, B2=13975000, e=2
2015-10-11	TheJudger	NF	no factor from 2^74 to 2^75
2015-10-11	TheJudger	NF	no factor from 2^73 to 2^74
2015-09-22	Judge Hale	NF	no factor from 2^72 to 2^73
2015-04-23	RichD0	NF	no factor from 2^71 to 2^72
2013-08-05	SMoffat	NF	no factor from 2^70 to 2^71
2012-10-16	-Anonymous-	NF	no factor from 2^69 to 2^70
2010-08-20	oodaira	NF	no factor from 2^68 to 2^69
2010-08-19	oodaira	NF	no factor from 2^67 to 2^68
2010-08-18	DRH	NF	no factor from 2^66 to 2^67
2010-08-15	DRH	NF	no factor from 2^65 to 2^66
2010-08-12	DRH	NF	no factor from 2^64 to 2^65