332 460 383 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 =	3180000
B2 =	96990000

Status	Date	User	Residue	Shift	Software
Unverified	2016-03-19	NRGunne	415AEBC85F46FD__	8041	CUDALucas v2.05.1

History

Date	User	Type	Result
2023-02-15	Mark Rose	NF	no factor TF: 80-81
2023-02-15	Mark Rose	NF	no factor TF: 79-80
2023-02-15	Mark Rose	NF	no factor TF: 78-79
2022-05-07	Jon Pace	NF	no factor TF: 77-78
2017-05-29	Matthew Millar	NF-PM1	B1=3180000, B2=96990000
2017-03-10	Matthew Millar	NF	no factor TF: 76-77
2016-09-13	Matthew Millar	NF	no factor TF: 75-76
2016-08-31	Matthew Millar	NF	no factor TF: 74-75
2016-04-28	-anonymous-	NF	no factor TF: 74-75
2016-03-19	NRGunne	C-LL	415AEBC85F46FD__
2015-09-21	Team_Inspector	NF	no factor TF: 73-74
2013-03-01	LaurV	NF	no factor TF: 71-72
2013-03-01	LaurV	NF	no factor TF: 72-73
2012-12-30	kracker	NF	no factor TF: 70-71
2012-06-30	LaurV	NF	no factor TF: 69-70
2011-07-21	Grant McCracken	NF	no factor TF: 68-69
2011-07-21	Grant McCracken	NF	no factor TF: 67-68