332 197 819 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 =	2000000
B2 =	80000000

Status	Date	User	Residue	Shift	Software
Unverified	2021-06-07	danc2	FE04845A324F7E__	216905404	CUDALucas v2.06

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2021-12-17	Kriesel	NF-PM1	B1=2000000, B2=80000000
2021-12-16	Kriesel	NF	no factor TF: 80-81
2021-06-07	danc2	C-LL	FE04845A324F7E__
2021-01-07	Random GPUs	NF	no factor TF: 79-80
2019-12-03	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-05-03	MadPoo 🙂	NF-PM1	B1=100000
2011-02-27	amphoria	NF	no factor TF: 78-79
2011-02-27	amphoria	NF	no factor TF: 77-78
2011-02-27	amphoria	NF	no factor TF: 76-77
2011-02-27	amphoria	NF	no factor TF: 75-76
2009-01-09	roderick	NF	no factor TF: 74-75
2009-01-04	roderick	NF	no factor TF: 73-74
2009-01-01	roderick	NF	no factor TF: 72-73
2008-12-31	roderick	NF	no factor TF: 71-72
2008-12-31	roderick	NF	no factor TF: 70-71
2008-10-25	Team_Inspector	NF	no factor TF: 69-70
2008-10-24	Team_Inspector	NF	no factor TF: 68-69