70 578 077 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime

TF

No factors below 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	690000
B2 =	15180000

Status	Date	User	Residue	Shift
Unverified	2016-08-10	Phantomas	018C172E2913E5__	46112784

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-07-31	antkh	LL double-check	LL	87.26 %	2024-11-20

History

Date	User	Type	Result
2016-08-10	Phantomas	C-LL	018C172E2913E5__
2016-05-04	-Anonymous-	NF	no factor from 2^74 to 2^75
2014-12-06	Kevin Jaget	NF	no factor from 2^73 to 2^74
2014-11-16	TheJudger	NF-PM1	B1=690000, B2=15180000, E=12
2014-11-10	Bdot	NF	no factor from 2^72 to 2^73
2014-10-07	LaurV	NF	no factor from 2^71 to 2^72
2013-11-28	CSLatDD	NF	no factor from 2^70 to 2^71
2012-05-03	Chun sung soo	NF	no factor from 2^69 to 2^70
2010-05-19	-Anonymous-	NF	no factor from 2^68 to 2^69
2010-05-07	Kevin Jaget	NF	no factor from 2^67 to 2^68
2010-02-24	eon_blue_apocalypse	NF	no factor from 2^66 to 2^67
2010-02-22	eon_blue_apocalypse	NF	no factor from 2^65 to 2^66
2010-02-21	eon_blue_apocalypse	NF	no factor from 2^64 to 2^65
2008-11-24	Wojciech Florek	NF	no factor to 2^64