78 327 563 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 =	404000
B2 =	88222050

Status	Date	User	Residue	Shift
Unverified	2016-03-02	Shnobel	A62BE91769D13E__	46546241

History

Date	User	Type	Result
2022-10-26	Ahmed Azhad	NF-PM1	B1=404000, B2=88222050
2016-03-02	Shnobel	C-LL	A62BE91769D13E__
2015-08-29	Architects Cubed	NF	no factor from 2^74 to 2^75
2015-05-01	el grocco	NF	no factor from 2^73 to 2^74
2014-09-27	engin	NF-PM1	B1=995000
2013-01-15	SWL551	NF	no factor from 2^72 to 2^73
2013-01-15	SWL551	NF	no factor from 2^71 to 2^72
2013-01-15	SWL551	NF	no factor from 2^70 to 2^71
2011-03-14	trif	NF	no factor from 2^69 to 2^70
2011-02-11	trif	NF	no factor from 2^68 to 2^69
2011-01-13	GrunwalderGIMP	NF	no factor from 2^67 to 2^68
2010-11-12	TBM Prime	NF	no factor from 2^66 to 2^67
2010-11-12	Mclighter	NF	no factor from 2^65 to 2^66
2010-11-10	Pi_Rho	NF	no factor from 2^64 to 2^65