332 237 617 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	2017-05-05	Avishay Weinberg	C9E8E9A73600D4__	233209984	Windows 64-bit,Prime95,v28.5,build 2

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
2017-05-05	Avishay Weinberg	C-LL	C9E8E9A73600D4__
2015-07-29	Avishay Weinberg	NF-PM1	B1=4090000
2013-09-27	Bill Staffen	NF	no factor TF: 78-79
2013-09-26	Bill Staffen	NF	no factor TF: 77-78
2013-09-26	Bill Staffen	NF	no factor TF: 76-77
2013-09-26	Bill Staffen	NF	no factor TF: 75-76
2013-09-26	Bill Staffen	NF	no factor TF: 74-75
2011-05-15	Christian Geschwentner	NF	no factor TF: 73-74
2011-04-25	Christian Geschwentner	NF	no factor TF: 72-73
2010-10-23	Ethan O'Connor	NF	no factor TF: 71-72
2010-09-14	Team_Inspector	NF	no factor TF: 70-71
2009-05-09	Team_Inspector	NF	no factor TF: 69-70
2009-01-28	Team_Inspector	NF	no factor TF: 68-69