332 199 277 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 =	2860000
B2 =	75075000

Status	Date	User	Residue	Shift	Software
Unverified	2021-04-06	danc2	3EBC83ACD92DD2__	102086634	CUDALucas v2.06

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-08	Mark Rose	NF	no factor TF: 80-81
2021-04-06	danc2	C-LL	3EBC83ACD92DD2__
2021-02-07	Random GPUs	NF	no factor TF: 79-80
2016-09-29	aurashift	NF-PM1	B1=2860000, B2=75075000, E=12
2010-10-30	amphoria	NF	no factor TF: 78-79
2010-10-30	amphoria	NF	no factor TF: 77-78
2010-10-30	amphoria	NF	no factor TF: 76-77
2010-10-30	amphoria	NF	no factor TF: 75-76
2010-03-19	Sunfish	NF	no factor TF: 74-75
2010-03-13	Sunfish	NF	no factor TF: 73-74
2010-03-11	Sunfish	NF	no factor TF: 72-73
2010-01-02	Team_Inspector	NF	no factor TF: 71-72
2008-10-13	Team_Inspector	NF	no factor TF: 70-71
2008-10-13	Team_Inspector	NF	no factor TF: 69-70
2008-10-13	Team_Inspector	NF	no factor TF: 68-69