332 387 753 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 =	4660000
B2 =	4660000

Status	Date	User	Residue	Shift	Software
Unverified	2018-02-04	Lilith	61B1AB47C0EA12__	166207228	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
2023-03-01	Mark Rose	NF	no factor TF: 80-81
2023-03-01	Mark Rose	NF	no factor TF: 79-80
2023-02-03	Mark Rose	NF	no factor TF: 78-79
2022-05-06	Jon Pace	NF	no factor TF: 77-78
2018-02-04	Lilith	C-LL	61B1AB47C0EA12__
2015-12-21	ANONYMOUS	NF-PM1	B1=4660000
2011-01-20	Tom Duell	NF	no factor TF: 76-77
2011-01-20	Tom Duell	NF	no factor TF: 75-76
2011-01-20	Tom Duell	NF	no factor TF: 74-75
2011-01-20	Tom Duell	NF	no factor TF: 73-74
2011-01-20	Tom Duell	NF	no factor TF: 72-73
2011-01-20	Tom Duell	NF	no factor TF: 71-72
2011-01-10	Grant McCracken	NF	no factor TF: 70-71
2010-06-30	Grant McCracken	NF	no factor TF: 69-70
2010-03-10	Grant McCracken	NF	no factor TF: 68-69