80 160 529 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 2⁷⁵

P-1

B1 =	700000
B2 =	14350000

Status	Date	User	Residue	Shift
Unverified	2017-10-07	Shnobel	ABEEA867D0D4F0__	67723757

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2025-05-11	-Anonymous-	LL double-check		0.00 %	2025-05-11

History

Date	User	Type	Result
2017-10-07	Shnobel	C-LL	ABEEA867D0D4F0__
2016-12-05	timc995	NF-PM1	B1=700000, B2=14350000, E=12
2016-09-18	Sid & Andy	NF	no factor from 2^74 to 2^75
2016-09-18	Sid & Andy	NF	no factor from 2^73 to 2^74
2016-09-18	Sid & Andy	NF	no factor from 2^72 to 2^73
2016-03-07	Derek	NF	no factor from 2^71 to 2^72
2013-06-15	ITS	NF	no factor from 2^70 to 2^71
2013-02-14	NoWhereMan	NF	no factor from 2^69 to 2^70
2013-02-05	NoWhereMan	NF	no factor from 2^68 to 2^69
2013-01-31	rjbelans	NF	no factor from 2^67 to 2^68
2013-01-26	phoenicis	NF	no factor from 2^66 to 2^67
2011-08-11	Carsten Kossendey	NF	no factor from 2^65 to 2^66
2010-12-03	Architects Cubed	NF	no factor from 2^64 to 2^65