332 235 269 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 =	4880000
B2 =	4880000

Status	Date	User	Residue	Shift	Software
Unverified	2018-11-05	Harvey	86F9BBF23766EC__	65583928	Windows 64-bit,Prime95,v28.9,build 2

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-16	Mark Rose	NF	no factor TF: 80-81
2023-02-16	Mark Rose	NF	no factor TF: 79-80
2018-11-05	Harvey	C-LL	86F9BBF23766EC__
2013-07-29	Bill Staffen	NF	no factor TF: 78-79
2013-07-29	Bill Staffen	NF	no factor TF: 77-78
2013-01-08	-anonymous-	NF-PM1	B1=4880000
2010-06-12	TheJudger	NF	no factor TF: 76-77
2010-06-12	TheJudger	NF	no factor TF: 75-76
2010-06-12	TheJudger	NF	no factor TF: 70-75
2009-04-24	Team_Inspector	NF	no factor TF: 69-70
2009-01-23	Team_Inspector	NF	no factor TF: 68-69