332 345 953 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 =	1565000
B2 =	354419940

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-09-29	Mihai Preda	1AEAC0289A62B01C	0	4	3
Verified	Certified Good Power=10	2025-09-20	Resolver	1AEAC0289A62B01C	324126131	4	3

History

Date	User	Type	Result
2025-09-20	Ben Delo	CERT	Proof certified good
2025-09-20	Resolver	C-PRP	Proof Certified Good Proof Power: 10
2024-03-05	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-05-01	Mark Rose	NF-PM1	B1=1565000, B2=354419940
2018-09-29	Mihai Preda	C-PRP	1AEAC0289A62B01C
2018-08-18	Mihai Preda	NF	no factor TF: 79-81
2015-12-02	NR	NF	no factor TF: 78-79
2015-12-02	NR	NF	no factor TF: 77-78
2015-12-02	NR	NF	no factor TF: 76-77
2015-12-02	NR	NF	no factor TF: 75-76
2014-04-28	Preben S	NF	no factor TF: 74-75
2014-03-23	Phantomas	NF	no factor TF: 73-74
2013-01-20	LaurV	NF	no factor TF: 72-73
2012-11-21	Team_Inspector	NF	no factor TF: 71-72
2011-03-13	Grant McCracken	NF	no factor TF: 70-71
2010-12-25	Sunfish	NF	no factor TF: 69-70
2010-04-12	Sunfish	NF	no factor TF: 68-69