81 009 961 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 2⁷⁵

P-1

B1 =	680000
B2 =	12920000

Status	Date	User	Residue	Shift
Unverified	2017-12-08	Shnobel	4541D96E3618E6__	33233789

History

Date	User	Type	Result
2017-12-08	Shnobel	C-LL	4541D96E3618E6__
2017-04-04	bam	NF-PM1	B1=680000, B2=12920000
2016-10-27	-Anonymous-	NF	no factor from 2^74 to 2^75
2016-10-27	-Anonymous-	NF	no factor from 2^73 to 2^74
2016-10-27	-Anonymous-	NF	no factor from 2^72 to 2^73
2014-01-09	GrunwalderGIMP	NF	no factor from 2^71 to 2^72
2013-06-06	PascalBieri	NF	no factor from 2^70 to 2^71
2013-02-07	sannerud.com	NF	no factor from 2^69 to 2^70
2013-02-03	sannerud.com	NF	no factor from 2^68 to 2^69
2013-01-31	Doc Krin	NF	no factor from 2^67 to 2^68
2013-01-26	GrunwalderGIMP	NF	no factor from 2^66 to 2^67
2011-02-05	Ungelovende	NF	no factor from 2^65 to 2^66
2010-12-12	Architects Cubed	NF	no factor from 2^64 to 2^65