332 266 087 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	2021-05-29	danc2	76B32D99D781A7__	181821976	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
2021-05-29	danc2	C-LL	76B32D99D781A7__
2019-12-11	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-04-02	MadPoo 🙂	NF-PM1	B1=100000
2016-05-30	dh1	NF	no factor TF: 80-81
2016-05-30	dh1	NF	no factor TF: 79-80
2016-05-30	dh1	NF	no factor TF: 78-79
2016-05-30	dh1	NF	no factor TF: 77-78
2016-02-02	Grant McCracken	NF	no factor TF: 76-77
2015-03-24	Team_Inspector	NF	no factor TF: 75-76
2013-01-11	LaurV	NF	no factor TF: 74-75
2012-03-26	Team_Inspector	NF	no factor TF: 73-74
2011-06-26	Christian Geschwentner	NF	no factor TF: 72-73
2011-06-06	Grant McCracken	NF	no factor TF: 71-72
2011-04-19	Grant McCracken	NF	no factor TF: 70-71
2009-12-03	Team_Inspector	NF	no factor TF: 69-70
2009-06-08	Team_Inspector	NF	no factor TF: 68-69