332 195 309 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 =	3151000
B2 =	735455700

Status	Date	User	Residue	Shift	Software
Unverified	2020-03-16	Myles	FC3B28BF5BF9D0__	166109084	CUDALucas v2.06

History

Date	User	Type	Result
2025-09-25	Siarhei P. 😜	NF-PM1	B1=3151000, B2=735455700
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-08	Mark Rose	NF	no factor TF: 80-81
2020-03-16	Myles	C-LL	FC3B28BF5BF9D0__
2019-09-30	adamgm	C-LL	00000000000000__
2018-10-29	Random GPUs	NF	no factor TF: 79-80
2011-06-02	ANONYMOUS	NF-PM1	B1=4090000
2010-11-25	amphoria	NF	no factor TF: 78-79
2010-11-25	amphoria	NF	no factor TF: 77-78
2010-11-25	amphoria	NF	no factor TF: 76-77
2010-11-25	amphoria	NF	no factor TF: 75-76
2010-06-01	kb	NF	no factor TF: 74-75
2010-02-27	Team_Inspector	NF	no factor TF: 73-74
2009-04-02	unconnected	NF	no factor TF: 72-73
2008-11-30	Team_Inspector	NF	no factor TF: 71-72
2008-11-29	Team_Inspector	NF	no factor TF: 70-71
2008-10-20	Team_Inspector	NF	no factor TF: 69-70
2008-10-18	Team_Inspector	NF	no factor TF: 68-69