81 200 947 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 =	725000
B2 =	16131250

Status	Date	User	Residue	Shift
Unverified	2017-09-05	Vasily Voronin	E450D6601E6CFD__	78236041

History

Date	User	Type	Result
2017-09-05	Vasily Voronin	C-LL	E450D6601E6CFD__
2017-05-06	Kriesel	NF-PM1	B1=725000, B2=16131250, e=2
2016-09-23	-Anonymous-	NF	no factor from 2^74 to 2^75
2016-09-23	-Anonymous-	NF	no factor from 2^73 to 2^74
2016-09-23	-Anonymous-	NF	no factor from 2^72 to 2^73
2016-09-23	-Anonymous-	NF	no factor from 2^71 to 2^72
2013-07-15	SMoffat	NF	no factor from 2^70 to 2^71
2013-06-09	-Anonymous-	NF	no factor from 2^69 to 2^70
2013-06-09	PascalBieri	NF	no factor from 2^68 to 2^69
2013-06-07	PascalBieri	NF	no factor from 2^67 to 2^68
2013-01-26	Bold_Seeker	NF	no factor from 2^66 to 2^67
2011-03-01	Pi_Rho	NF	no factor from 2^65 to 2^66
2010-12-12	Architects Cubed	NF	no factor from 2^64 to 2^65