332 223 257 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with PRP test

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	5305000
B2 =	5305000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2021-12-07	Chelle	D5D647E1644768E6	265823217	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-04-04	Mark Rose	NF	no factor TF: 80-81
2023-04-04	Mark Rose	NF	no factor TF: 79-80
2021-12-28	Kriesel	CERT	Proof certified good
2021-12-07	Chelle	C-PRP	Proof Certified Good Proof Power: 8
2020-08-05	el grocco	NF	no factor TF: 78-79
2016-07-26	Grant McCracken	NF	no factor TF: 77-78
2013-01-13	Erotavlas	NF	no factor TF: 76-77
2012-09-27	Erotavlas	NF-PM1	B1=5305000
2011-04-04	Christian Geschwentner	NF	no factor TF: 75-76
2009-05-24	Frank	NF	no factor TF: 74-75
2009-05-18	Frank	NF	no factor TF: 73-74
2009-05-15	Frank	NF	no factor TF: 72-73
2009-05-13	Frank	NF	no factor TF: 71-72
2009-05-12	Frank	NF	no factor TF: 70-71
2009-05-02	Team_Inspector	NF	no factor TF: 69-70
2008-12-18	Team_Inspector	NF	no factor TF: 68-69