332 299 889 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

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

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	1564000
B2 =	354419940

Status	Date	User	Residue	Shift	Software
Unverified	2021-04-06	danc2	DCB8DA486932AD__	297592998	CUDALucas v2.06

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-02	Mark Rose	NF-PM1	B1=1564000, B2=354419940
2021-04-06	danc2	C-LL	DCB8DA486932AD__
2019-11-25	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-04-07	MadPoo 🙂	NF-PM1	B1=100000
2015-03-16	monsted	NF	no factor TF: 80-81
2015-02-01	monsted	NF	no factor TF: 79-80
2015-01-29	monsted	NF	no factor TF: 78-79
2015-01-28	monsted	NF	no factor TF: 77-78
2015-01-27	monsted	NF	no factor TF: 76-77
2014-07-31	Travis Glenn Russo	NF	no factor TF: 75-76
2013-10-07	ktony	NF	no factor TF: 74-75
2013-05-19	kracker	NF	no factor TF: 73-74
2013-01-11	-anonymous-	NF	no factor TF: 72-73
2011-09-19	Grant McCracken	NF	no factor TF: 71-72
2011-06-22	Grant McCracken	NF	no factor TF: 70-71
2010-09-27	Sunfish	NF	no factor TF: 69-70
2009-07-20	Sunfish	NF	no factor TF: 68-69