84 557 281 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 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	675000
B2 =	13331250

Status	Date	User	Residue	Shift
Unverified	2018-10-02	jjknw	E621F718EDCFC4__	9131822

History

Date	User	Type	Result
2018-10-02	jjknw	C-LL	E621F718EDCFC4__
2017-11-22	Oliver Kruse	NF-PM1	B1=675000, B2=13331250, E=12
2017-05-06	ktony	NF	no factor from 2^75 to 2^76
2017-05-06	ktony	NF	no factor from 2^74 to 2^75
2017-02-03	-Anonymous-	NF	no factor from 2^73 to 2^74
2017-02-03	-Anonymous-	NF	no factor from 2^72 to 2^73
2017-02-03	-Anonymous-	NF	no factor from 2^71 to 2^72
2013-11-12	Choi4KANG	NF	no factor from 2^70 to 2^71
2013-08-20	Robish	NF	no factor from 2^69 to 2^70
2013-08-19	Robish	NF	no factor from 2^68 to 2^69
2013-08-18	Robish	NF	no factor from 2^67 to 2^68
2013-08-18	Robish	NF	no factor from 2^66 to 2^67
2012-08-05	Carsten Kossendey	NF	no factor from 2^65 to 2^66
2010-12-24	Architects Cubed	NF	no factor from 2^64 to 2^65