79 406 783 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime

TF

No factors below 2⁷⁵

TF target 2⁷⁵

P-1

B1 =	740000
B2 =	15540000

Status	Date	User	Residue	Shift
Unverified	2017-11-07	Evgeniy Zavialov	D3D18C00A70F05__	50676401

History

Date	User	Type	Result
2017-11-07	Evgeniy Zavialov	C-LL	D3D18C00A70F05__
2015-10-02	gcardona	NF	no factor from 2^74 to 2^75
2015-09-27	TheJudger	NF-PM1	B1=740000, B2=15540000, E=6
2015-09-13	NickOfTime	NF	no factor from 2^73 to 2^74
2013-02-05	ig	NF	no factor from 2^72 to 2^73
2013-02-05	ig	NF	no factor from 2^71 to 2^72
2013-02-05	ig	NF	no factor from 2^70 to 2^71
2011-02-19	sunithaya	NF	no factor from 2^69 to 2^70
2011-02-09	ZIM30	NF	no factor from 2^68 to 2^69
2011-02-01	vapaddy	NF	no factor from 2^67 to 2^68
2010-11-30	-Anonymous-	NF	no factor from 2^66 to 2^67
2010-11-28	simara12	NF	no factor from 2^65 to 2^66
2010-11-25	GrunwalderGIMP	NF	no factor from 2^64 to 2^65
2009-05-29	Architects Cubed	NF	no factor from 2^63 to 2^64