332 242 681 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 =	4090000
B2 =	4090000

Status	Date	User	Residue	Shift	Software
Unverified	2014-04-09	Axel Jakobi	9B535DC5AEFECB__	151813941	Windows 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-17	Mark Rose	NF	no factor TF: 80-81
2023-02-17	Mark Rose	NF	no factor TF: 79-80
2014-04-09	Axel Jakobi	C-LL	9B535DC5AEFECB__
2013-06-25	Axel Jakobi	NF-PM1	B1=4090000
2011-05-28	TheJudger	NF	no factor TF: 77-78
2011-05-28	TheJudger	NF	no factor TF: 78-79
2011-05-28	TheJudger	NF	no factor TF: 76-77
2011-05-28	TheJudger	NF	no factor TF: 75-76
2011-05-28	TheJudger	NF	no factor TF: 74-75
2011-05-28	TheJudger	NF	no factor TF: 73-74
2011-05-01	Christian Geschwentner	NF	no factor TF: 72-73
2010-11-23	Team_Inspector	NF	no factor TF: 71-72
2009-09-23	Team_Inspector	NF	no factor TF: 70-71
2009-06-01	Team_Inspector	NF	no factor TF: 69-70
2009-02-07	Team_Inspector	NF	no factor TF: 68-69