332 240 159 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 =	4090000
B2 =	4090000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2022-02-28	Chelle	B1C0EB4C3D78A56F	262436569	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-18	Mark Rose	NF	no factor TF: 80-81
2023-03-18	Mark Rose	NF	no factor TF: 79-80
2022-03-12	Jan S.	CERT	Proof certified good
2022-02-28	Chelle	C-PRP	Proof Certified Good Proof Power: 8
2016-08-05	Brodie Hislop	NF-PM1	B1=4090000
2013-10-01	Bill Staffen	NF	no factor TF: 78-79
2013-10-01	Bill Staffen	NF	no factor TF: 77-78
2013-10-01	Bill Staffen	NF	no factor TF: 76-77
2013-09-30	Bill Staffen	NF	no factor TF: 75-76
2013-09-30	Bill Staffen	NF	no factor TF: 74-75
2011-05-12	Christian Geschwentner	NF	no factor TF: 73-74
2011-04-27	Christian Geschwentner	NF	no factor TF: 72-73
2010-10-23	Ethan O'Connor	NF	no factor TF: 71-72
2009-10-03	Grant McCracken	NF	no factor TF: 70-71
2009-05-12	Team_Inspector	NF	no factor TF: 69-70
2009-02-01	Team_Inspector	NF	no factor TF: 68-69