333 072 919 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 =	5050000
B2 =	5050000

Status	Date	User	Residue	Shift	Software
Unverified	2017-03-19	Matthaeus	95B7E99DA36A9B__	103408953	Linux 64-bit,Prime95,v28.9,build 2

History

Date	User	Type	Result
2024-05-17	Jarod McClintock	NF	no factor TF: 69-72
2023-02-05	Mark Rose	NF	no factor TF: 80-81
2023-02-05	Mark Rose	NF	no factor TF: 79-80
2023-02-05	Mark Rose	NF	no factor TF: 78-79
2023-02-05	Mark Rose	NF	no factor TF: 77-78
2017-03-19	Matthaeus	C-LL	95B7E99DA36A9B__
2016-05-22	Matthaeus	NF	no factor TF: 76-77
2016-05-05	fibdog	NF-PM1	B1=5050000
2016-02-04	fibdog	NF	no factor TF: 75-76
2016-01-26	fibdog	NF	no factor TF: 74-75
2015-08-18	glebm	NF	no factor TF: 73-74
2014-11-30	Carsten Kossendey	NF	no factor TF: 72-73
2014-08-16	Carsten Kossendey	NF	no factor TF: 71-72
2014-08-16	Carsten Kossendey	NF	no factor TF: 70-71
2014-08-16	Carsten Kossendey	NF	no factor TF: 69-70
2012-04-16	LaurV	NF	no factor TF: 66-69
2010-11-03	Architects Cubed	NF	no factor TF: 65-66