78 728 387 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 =	660000
B2 =	13200000

Status	Date	User	Residue	Shift
Unverified	2017-11-09	Sergey Nosov	278F1D21EA0099__	17280054

History

Date	User	Type	Result
2017-11-09	Sergey Nosov	C-LL	278F1D21EA0099__
2016-07-06	Xolotl	NF-PM1	B1=660000, B2=13200000, E=12
2016-06-17	AirSquirrels	NF	no factor from 2^74 to 2^75
2016-06-17	AirSquirrels	NF	no factor from 2^73 to 2^74
2016-06-12	RichD0	NF	no factor from 2^72 to 2^73
2015-09-01	RichD0	NF	no factor from 2^71 to 2^72
2013-01-15	JimBa	NF	no factor from 2^70 to 2^71
2012-04-07	ITS	NF	no factor from 2^69 to 2^70
2012-04-03	-Anonymous-	NF	no factor from 2^68 to 2^69
2011-01-23	vapaddy	NF	no factor from 2^67 to 2^68
2010-11-19	Craig Meyers	NF	no factor from 2^66 to 2^67
2010-11-16	S00030	NF	no factor from 2^65 to 2^66
2010-11-14	newton_s	NF	no factor from 2^64 to 2^65