70 856 417 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 2⁷⁴

P-1

B1 =	645000
B2 =	13222500

Status	Date	User	Residue	Shift
Unverified	2017-01-03	VVS77	9A1D54247D7EB2__	68832484

History

Date	User	Type	Result
2017-01-03	VVS77	C-LL	9A1D54247D7EB2__
2016-05-26	-Anonymous-	NF	no factor from 2^74 to 2^75
2014-05-12	NR	NF-PM1	B1=645000, B2=13222500, E=6
2014-04-29	Craig Meyers	NF	no factor from 2^70 to 2^74
2010-04-18	tsc	NF	no factor to 2^70
2010-03-26	RMAC9.5	NF	no factor from 2^67 to 2^68
2010-03-14	RMAC9.5	NF	no factor from 2^66 to 2^67
2010-03-11	Aleksey Osadchiy	NF	no factor from 2^65 to 2^66
2010-03-05	Per Jessen	NF	no factor from 2^64 to 2^65
2008-11-20	Wojciech Florek	NF	no factor to 2^64