332 233 687 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 =	3910000
B2 =	3910000

Status	Date	User	Residue	Shift	Software
Unverified	2021-05-26	Andrew B	07F122B55BCA8C__	192622434	Windows,Prime95,v30.3,build 6

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
2021-05-26	Andrew B	C-LL	07F122B55BCA8C__
2016-11-26	g10112	NF-PM1	B1=3910000
2013-07-28	Bill Staffen	NF	no factor TF: 78-79
2013-07-27	Bill Staffen	NF	no factor TF: 77-78
2013-07-27	Bill Staffen	NF	no factor TF: 76-77
2011-05-04	Sebastian Hornbostel	NF	no factor TF: 75-76
2011-04-26	Christian Geschwentner	NF	no factor TF: 74-75
2010-07-07	Team_Inspector	NF	no factor TF: 73-74
2010-07-02	Team_Inspector	NF	no factor TF: 72-73
2010-06-29	Team_Inspector	NF	no factor TF: 71-72
2010-06-27	Team_Inspector	NF	no factor TF: 70-71
2009-03-31	Team_Inspector	NF	no factor TF: 69-70
2009-01-17	Team_Inspector	NF	no factor TF: 68-69