68 588 327 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 =	715000
B2 =	12870000

Status	Date	User	Residue	Shift
Verified	2016-02-29	Shnobel	7488D5486BACD26B	10320747
Verified	2023-08-24	Ryan Propper	7488D5486BACD26B	28773693

History

Date	User	Type	Result
2023-08-24	Ryan Propper	C-LL	7488D5486BACD26B
2016-02-29	Shnobel	C-LL	7488D5486BACD26B
2016-02-14	Jerry Hallett	NF	no factor from 2^74 to 2^75
2013-11-10	Jerry Hallett	NF	no factor from 2^73 to 2^74
2013-11-04	gcardona	NF	no factor from 2^72 to 2^73
2013-11-04	gcardona	NF	no factor from 2^71 to 2^72
2013-11-01	Volond	NF-PM1	B1=715000, B2=12870000
2012-07-29	SWL551	NF	no factor from 2^70 to 2^71
2012-03-11	dsl	NF	no factor from 2^69 to 2^70
2010-01-24	Sturle Sunde	NF	no factor from 2^68 to 2^69
2010-01-23	Sturle Sunde	NF	no factor from 2^67 to 2^68
2010-01-23	bzm	NF	no factor from 2^66 to 2^67
2010-01-21	bzm	NF	no factor from 2^65 to 2^66
2010-01-19	spaz	NF	no factor from 2^64 to 2^65
2009-01-12	1997rj7	NF	no factor to 2^64