332 316 571 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 =	3910000
B2 =	3910000

Status	Date	User	Residue	Shift	Software
Unverified	2019-07-28	arnaud	AD5D5844DEA646__	144733357	Windows 64-bit,Prime95,v29.4,build 7

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-26	Mark Rose	NF	no factor TF: 80-81
2023-02-26	Mark Rose	NF	no factor TF: 79-80
2023-02-02	Mark Rose	NF	no factor TF: 78-79
2021-08-09	Random GPUs	NF	no factor TF: 77-78
2019-07-28	arnaud	C-LL	AD5D5844DEA646__
2019-04-21	jaredvv	NF	no factor TF: 76-77
2019-04-14	Mohammad Kazem Akhgary	NF-PM1	B1=3910000
2015-12-15	Team_Inspector	NF	no factor TF: 75-76
2013-10-30	sheng	NF	no factor TF: 74-75
2013-09-26	Team_Inspector	NF	no factor TF: 73-74
2013-01-16	LaurV	NF	no factor TF: 72-73
2012-05-20	Grant McCracken	NF	no factor TF: 71-72
2011-06-10	Grant McCracken	NF	no factor TF: 70-71
2010-09-29	Sunfish	NF	no factor TF: 69-70
2009-08-26	Team_Inspector	NF	no factor TF: 68-69