80 436 533 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with Lucas-Lehmer test

TF

No factors below 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	680000
B2 =	13770000

Status	Date	User	Residue	Shift
Verified	2017-11-23	S76789	5FBAA008ACD34EF0	48289741
Verified	2024-11-27	mewturn	5FBAA008ACD34EF0	12304944

History

Date	User	Type	Result
2024-11-27	mewturn	C-LL	5FBAA008ACD34EF0
2022-05-19	MadPoo	NF	no factor from 2^75 to 2^76
2017-11-23	S76789	C-LL	5FBAA008ACD34EF0
2017-01-08	ANONYMOUS	NF-PM1	B1=680000, B2=13770000, E=12
2016-10-17	Sid & Andy	NF	no factor from 2^74 to 2^75
2016-10-17	Sid & Andy	NF	no factor from 2^73 to 2^74
2016-05-11	Bdot	NF	no factor from 2^72 to 2^73
2016-05-11	Bdot	NF	no factor from 2^71 to 2^72
2013-06-04	processinfo	NF	no factor from 2^70 to 2^71
2013-01-31	rjbelans	NF	no factor from 2^69 to 2^70
2013-01-27	rjbelans	NF	no factor from 2^68 to 2^69
2013-01-26	phoenicis	NF	no factor from 2^67 to 2^68
2011-03-28	subgenius	NF	no factor from 2^66 to 2^67
2011-03-23	sannerud.com	NF	no factor from 2^65 to 2^66
2010-12-09	Architects Cubed	NF	no factor from 2^64 to 2^65