332 289 653 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	2017-10-22	Jacques MOLNE	63F6898AEDD0DC__	0	CUDALucas v2.03

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-27	Mark Rose	NF-PM1	B1=1564000, B2=354419940
2017-10-22	Jacques MOLNE	C-LL	63F6898AEDD0DC__
2016-06-16	dh1	NF	no factor TF: 80-81
2016-06-16	dh1	NF	no factor TF: 79-80
2016-06-16	dh1	NF	no factor TF: 78-79
2016-06-16	dh1	NF	no factor TF: 77-78
2016-06-16	dh1	NF	no factor TF: 76-77
2015-01-06	Jacques MOLNE	NF	no factor TF: 75-76
2013-09-20	ktony	NF	no factor TF: 74-75
2013-05-16	kracker	NF	no factor TF: 73-74
2012-12-21	kracker	NF	no factor TF: 72-73
2011-09-14	Grant McCracken	NF	no factor TF: 71-72
2011-07-11	Grant McCracken	NF	no factor TF: 70-71
2010-06-17	Sunfish	NF	no factor TF: 69-70
2009-08-26	Team_Inspector	NF	no factor TF: 68-69