332 238 553 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	2023-02-21	Chelle	FC888FC66F9FE9A0	47763134	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-28	Kriesel	CERT	Proof certified good
2023-02-21	Chelle	C-PRP	FC888FC66F9FE9A0 Proof Certified Good Proof Power: 8
2023-01-17	Mark Rose	NF	no factor TF: 80-81
2023-01-17	Mark Rose	NF	no factor TF: 79-80
2013-08-03	Bill Staffen	NF	no factor TF: 78-79
2013-08-02	Bill Staffen	NF	no factor TF: 77-78
2013-08-02	Bill Staffen	NF	no factor TF: 76-77
2012-09-15	SETIKAH	NF-PM1	B1=5305000
2011-07-24	SETIKAH	NF	no factor TF: 75-76
2011-06-05	SETIKAH	NF	no factor TF: 74-75
2011-05-12	Christian Geschwentner	NF	no factor TF: 73-74
2011-04-26	Christian Geschwentner	NF	no factor TF: 72-73
2010-10-23	Ethan O'Connor	NF	no factor TF: 71-72
2010-10-07	Team_Inspector	NF	no factor TF: 70-71
2009-05-16	Team_Inspector	NF	no factor TF: 69-70
2009-01-29	Team_Inspector	NF	no factor TF: 68-69