77 481 199 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 =	675000
B2 =	13668750

Status	Date	User	Residue	Shift
Unverified	2017-02-18	Sergey Nosov	25553518E39A9F__	75042893

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-04-03	-Anonymous-	LL double-check		0.00 %	2024-04-03

History

Date	User	Type	Result
2017-02-18	Sergey Nosov	C-LL	25553518E39A9F__
2016-12-08	AirSquirrels	NF	no factor from 2^74 to 2^75
2016-04-04	Mark Rose	NF	no factor from 2^61 to 2^64
2016-03-19	Judge Hale	NF-PM1	B1=675000, B2=13668750, E=12
2016-03-12	AirSquirrels	NF	no factor from 2^74 to 2^75
2016-03-08	AirSquirrels	NF	no factor from 2^73 to 2^74
2016-03-08	AirSquirrels	NF	no factor from 2^72 to 2^73
2015-12-10	endless_mike	NF	no factor from 2^71 to 2^72
2013-01-07	Per Jessen	NF	no factor from 2^70 to 2^71
2010-10-24	Ethan O'Connor	NF	no factor from 2^69 to 2^70
2010-10-23	Charles A. Morris	NF	no factor from 2^68 to 2^69
2010-10-21	Todd A. Hayes	NF	no factor from 2^67 to 2^68
2010-10-16	Per Jessen	NF	no factor from 2^66 to 2^67
2010-10-14	-Anonymous-	NF	no factor from 2^65 to 2^66
2010-10-04	-Anonymous-	NF	no factor from 2^64 to 2^65