333 000 511 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 =	3110000
B2 =	93300000

Status	Date	User	Residue	Shift	Software
Unverified	2020-09-05	danc2	C6939E84686FB6__	40395310	CUDALucas v2.06

History

Date	User	Type	Result
2024-05-19	Naegi Makoto	NF	no factor TF: 72-73
2023-02-06	Mark Rose	NF	no factor TF: 80-81
2023-02-06	Mark Rose	NF	no factor TF: 79-80
2020-09-05	danc2	C-LL	C6939E84686FB6__
2020-06-29	Di Saber	NF	no factor TF: 78-79
2020-05-15	Kriesel	NF	no factor TF: 77-78
2020-04-25	Simon Josefsson	NF-PM1	B1=3110000, B2=93300000
2019-03-07	mikr	NF	no factor TF: 76-77
2019-03-07	mikr	NF	no factor TF: 75-76
2017-11-16	Andrew B	NF	no factor TF: 74-75
2017-01-02	Carsten Kossendey	NF	no factor TF: 73-74
2016-04-13	Carsten Kossendey	NF	no factor TF: 72-73
2013-01-12	LaurV	NF	no factor TF: 71-72
2011-11-30	lalera	NF	no factor TF: 70-71
2011-11-30	lalera	NF	no factor TF: 69-70
2011-11-30	lalera	NF	no factor TF: 68-69
2011-11-28	lalera	NF	no factor TF: 67-68
2010-12-20	Bdot	NF	no factor TF: 66-67
2010-11-02	Architects Cubed	NF	no factor TF: 65-66