332 194 531 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 =	3255000
B2 =	67541250

Status	Date	User	Residue	Shift	Software
Unverified	2019-09-05	adamgm	278193E3BD6EAD__	0	clLucas v1.04

History

Date	User	Type	Result
2023-02-08	Mark Rose	NF	no factor TF: 80-81
2019-09-05	adamgm	C-LL	278193E3BD6EAD__
2018-09-08	Random GPUs	NF	no factor TF: 79-80
2013-07-18	Bill Staffen	NF	no factor TF: 78-79
2013-07-17	Bill Staffen	NF	no factor TF: 77-78
2010-12-06	chauvet_p	NF	no factor TF: 76-77
2010-11-13	chauvet_p	NF-PM1	B1=3255000, B2=67541250
2010-08-14	chauvet_p	NF	no factor TF: 75-76
2010-07-29	Sunfish	NF	no factor TF: 74-75
2010-05-24	Team_Inspector	NF	no factor TF: 73-74
2008-11-14	Team_Inspector	NF	no factor TF: 72-73
2008-11-11	Team_Inspector	NF	no factor TF: 71-72
2008-11-10	Team_Inspector	NF	no factor TF: 70-71
2008-10-15	Team_Inspector	NF	no factor TF: 69-70
2008-10-14	Team_Inspector	NF	no factor TF: 68-69
2008-09-13	GrunwalderGIMP	NF	no factor TF: 1-68