79 398 457 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 =	665000
B2 =	12635000

Status	Date	User	Residue	Shift
Unverified	2017-08-10	Shnobel	D2108902DB1BB7__	4768049

History

Date	User	Type	Result
2017-08-10	Shnobel	C-LL	D2108902DB1BB7__
2016-09-16	Jwb52z	NF-PM1	B1=665000, B2=12635000
2016-08-11	AirSquirrels	NF	no factor from 2^74 to 2^75
2016-08-11	AirSquirrels	NF	no factor from 2^73 to 2^74
2016-08-07	RichD0	NF	no factor from 2^72 to 2^73
2014-01-11	SRS Technology	NF	no factor from 2^71 to 2^72
2013-06-26	-Anonymous-	NF	no factor from 2^70 to 2^71
2013-02-04	wangyun183	NF	no factor from 2^69 to 2^70
2012-04-12	-Anonymous-	NF	no factor from 2^68 to 2^69
2010-12-24	Ruslan	NF	no factor from 2^67 to 2^68
2010-11-24	TeraTism	NF	no factor from 2^66 to 2^67
2010-11-22	TeraTism	NF	no factor from 2^65 to 2^66
2009-07-17	Patrik Johansson	NF	no factor from 2^64 to 2^65
2009-05-30	Architects Cubed	NF	no factor from 2^63 to 2^64