78 240 821 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 =	730000
B2 =	15330000

Status	Date	User	Residue	Shift
Unverified	2016-02-01	ARTEM E I	27319FCF81B226__	61750505

History

Date	User	Type	Result
2016-02-01	ARTEM E I	C-LL	27319FCF81B226__
2016-01-17	AirSquirrels	NF	no factor from 2^74 to 2^75
2014-12-02	kurly	NF-PM1	B1=730000, B2=15330000, E=12
2014-09-26	NickOfTime	NF	no factor from 2^73 to 2^74
2014-09-26	NickOfTime	NF	no factor from 2^72 to 2^73
2013-01-09	SWL551	NF	no factor from 2^71 to 2^72
2013-01-09	SWL551	NF	no factor from 2^70 to 2^71
2011-01-13	Aldo_Grid	NF	no factor from 2^69 to 2^70
2011-01-11	ANONYMOUS	NF	no factor from 2^68 to 2^69
2011-01-03	blimey	NF	no factor from 2^67 to 2^68
2010-12-30	ITS	NF	no factor from 2^66 to 2^67
2010-12-25	GunnarLu	NF	no factor from 2^65 to 2^66
2010-12-25	JMGarcia	NF	no factor from 2^64 to 2^65
2008-07-01	-Anonymous-	NF	no factor to 2^64