82 260 047 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 =	700000
B2 =	14350000

Status	Date	User	Residue	Shift
Unverified	2018-08-14	Brian Beuning	214E831AD7059D__	55741499

History

Date	User	Type	Result
2018-08-14	Brian Beuning	C-LL	214E831AD7059D__
2017-07-14	Oliver Kruse	NF-PM1	B1=700000, B2=14350000, E=12
2016-12-12	Sebastian Hornbostel	NF	no factor from 2^74 to 2^75
2016-12-05	RichD0	NF	no factor from 2^73 to 2^74
2016-10-28	Judge Hale	NF	no factor from 2^72 to 2^73
2016-10-28	Judge Hale	NF	no factor from 2^71 to 2^72
2013-11-02	Robish	NF	no factor from 2^70 to 2^71
2013-02-01	Smok_bmv	NF	no factor from 2^69 to 2^70
2013-01-30	SMoffat	NF	no factor from 2^68 to 2^69
2013-01-29	SMoffat	NF	no factor from 2^67 to 2^68
2013-01-28	SMoffat	NF	no factor from 2^66 to 2^67
2012-09-11	Carsten Kossendey	NF	no factor from 2^65 to 2^66
2010-12-16	Architects Cubed	NF	no factor from 2^64 to 2^65