68 527 559 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 =	655000
B2 =	13100000

Status	Date	User	Residue	Shift
Verified	2016-02-15	Shnobel	A15C8C62ACB69EDF	29819795
Verified	2023-08-29	Richard	A15C8C62ACB69EDF	22375217

History

Date	User	Type	Result
2023-08-29	Richard	C-LL	A15C8C62ACB69EDF
2016-02-15	Shnobel	C-LL	A15C8C62ACB69EDF
2016-01-29	AirSquirrels	NF	no factor from 2^74 to 2^75
2014-11-23	TheJudger	NF	no factor from 2^73 to 2^74
2014-11-16	ixfd64	NF-PM1	B1=655000, B2=13100000
2014-09-13	Bdot	NF	no factor from 2^72 to 2^73
2014-08-02	RichD0	NF	no factor from 2^71 to 2^72
2012-09-27	Bold_Seeker	NF	no factor from 2^70 to 2^71
2012-08-03	Kish	NF	no factor from 2^69 to 2^70
2010-04-24	arnaud	NF	no factor from 2^68 to 2^69
2010-04-19	arnaud	NF	no factor from 2^67 to 2^68
2010-04-15	Torchwood Institute	NF	no factor from 2^66 to 2^67
2010-04-13	tmorrow	NF	no factor from 2^65 to 2^66
2010-04-10	tmorrow	NF	no factor from 2^64 to 2^65
2008-12-01	1997rj7	NF	no factor to 2^64