68 885 797 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 =	14343750

Status	Date	User	Residue	Shift
Unverified	2016-04-15	volovik	8E22D0A6592F73__	953905

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-03-18	Dr Mamdouh Barakat on MBcloud	LL double-check	LL	73.94 %	2024-04-26

History

Date	User	Type	Result
2016-04-15	volovik	C-LL	8E22D0A6592F73__
2016-03-09	Judge Hale	NF	no factor from 2^74 to 2^75
2014-09-04	The Mawn	NF	no factor from 2^73 to 2^74
2014-07-03	Judge Hale	NF-PM1	B1=675000, B2=14343750
2014-04-16	NickOfTime	NF	no factor from 2^72 to 2^73
2014-04-16	NickOfTime	NF	no factor from 2^71 to 2^72
2013-02-12	Juergen Kampmeier	NF	no factor from 2^70 to 2^71
2012-08-01	SWL551	NF	no factor from 2^69 to 2^70
2010-02-04	Slasher	NF	no factor from 2^68 to 2^69
2010-02-03	-Anonymous-	NF	no factor from 2^67 to 2^68
2010-02-02	tmorrow	NF	no factor from 2^66 to 2^67
2010-01-28	steinrar	NF	no factor from 2^65 to 2^66
2010-01-25	JimC	NF	no factor from 2^64 to 2^65
2009-01-12	1997rj7	NF	no factor to 2^64