332 387 203 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 =	1565000
B2 =	354419940

Status	Date	User	Residue	Shift	Software
Unverified	2017-02-18	AirSquirrels	DE830F9C7E49BF__	2023835	CUDALucas v2.05.1

History

Date	User	Type	Result
2024-03-08	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-05-24	Mark Rose	NF-PM1	B1=1565000, B2=354419940
2023-02-07	Mark Rose	NF	no factor TF: 80-81
2023-02-07	Mark Rose	NF	no factor TF: 79-80
2023-01-10	Mark Rose	NF	no factor TF: 78-79
2021-06-22	Jon Pace	NF	no factor TF: 77-78
2017-02-18	AirSquirrels	C-LL	DE830F9C7E49BF__
2011-03-22	Tom Duell	NF	no factor TF: 76-77
2011-03-22	Tom Duell	NF	no factor TF: 75-76
2011-03-22	Tom Duell	NF	no factor TF: 74-75
2011-03-22	Tom Duell	NF	no factor TF: 73-74
2011-01-13	ANONYMOUS	NF	no factor TF: 72-73
2011-01-12	ANONYMOUS	NF	no factor TF: 71-72
2011-01-11	Grant McCracken	NF	no factor TF: 70-71
2009-07-08	unconnected	NF	no factor TF: 69-70
2009-07-08	unconnected	NF	no factor TF: 68-69