86 001 001 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 2⁷⁷

TF target 2⁷⁵

P-1

B1 =	715000
B2 =	13585000

Status	Date	User	Residue	Shift
Unverified	2018-12-16	cobassc	E54B4F811AB180__	22220702

History

Date	User	Type	Result
2020-08-14	mikr	NF	no factor from 2^76 to 2^77
2018-12-16	cobassc	C-LL	E54B4F811AB180__
2018-03-10	Kevin Jaget	NF-PM1	B1=715000, B2=13585000
2017-11-27	Strolling Jellyfish	NF	no factor from 2^75 to 2^76
2017-03-08	vats09	NF	no factor from 2^74 to 2^75
2017-03-08	vats09	NF	no factor from 2^73 to 2^74
2017-03-08	vats09	NF	no factor from 2^72 to 2^73
2016-03-17	america64	NF	no factor from 2^71 to 2^72
2013-12-01	Koekie	NF	no factor from 2^70 to 2^71
2013-11-12	Robish	NF	no factor from 2^69 to 2^70
2013-10-28	SMoffat	NF	no factor from 2^68 to 2^69
2013-10-25	SMoffat	NF	no factor from 2^67 to 2^68
2011-02-07	Michael C	NF	no factor from 2^66 to 2^67
2010-11-21	Michael C	NF	no factor from 2^65 to 2^66
2010-10-24	Michael C	NF	no factor from 2^64 to 2^65
2010-10-24	-Anonymous-	NF	no factor from 2^64 to 2^65