332 213 573 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 =	5305000
B2 =	5305000

Status	Date	User	Residue	Shift	Software
Unverified	2016-09-01	AirSquirrels	4D56F95180CB67__	23529616	CUDALucas v2.05.1

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-13	Mark Rose	NF	no factor TF: 80-81
2023-02-13	Mark Rose	NF	no factor TF: 79-80
2023-02-13	Mark Rose	NF	no factor TF: 78-79
2016-09-01	AirSquirrels	C-LL	4D56F95180CB67__
2015-06-10	srow7	NF	no factor TF: 77-78
2011-08-10	traugott	NF	no factor TF: 76-77
2011-03-30	traugott	NF-PM1	B1=5305000
2010-07-24	MRH	NF	no factor TF: 75-76
2010-07-04	MRH	NF	no factor TF: 74-75
2010-06-03	Team_Inspector	NF	no factor TF: 73-74
2010-05-29	Team_Inspector	NF	no factor TF: 72-73
2009-11-08	Team_Inspector	NF	no factor TF: 71-72
2009-10-22	Team_Inspector	NF	no factor TF: 70-71
2009-10-21	Team_Inspector	NF	no factor TF: 69-70
2009-01-15	Team_Inspector	NF	no factor TF: 68-69