332 288 387 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 =	2000000
B2 =	128510580

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2025-08-29	BigHero8	60A25D112D47F137	0	1	3

History

Date	User	Type	Result
2025-08-30	Kriesel	CERT	Proof certified good
2025-08-29	BigHero8	C-PRP	60A25D112D47F137 Proof Certified Good Proof Power: 9
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-06-18	JacobZ	NF-PM1	B1=2000000, B2=128510580
2023-01-05	Mark Rose	NF	no factor TF: 80-81
2023-01-05	Mark Rose	NF	no factor TF: 79-80
2020-08-25	Team_Inspector	NF	no factor TF: 78-79
2020-07-31	Team_Inspector	NF	no factor TF: 77-78
2018-07-28	Team_Inspector	NF	no factor TF: 76-77
2015-07-31	Team_Inspector	NF	no factor TF: 75-76
2014-11-01	Team_Inspector	NF	no factor TF: 74-75
2013-03-10	ktony	NF	no factor TF: 73-74
2012-12-17	Team_Inspector	NF	no factor TF: 72-73
2011-09-16	Grant McCracken	NF	no factor TF: 71-72
2011-05-05	Grant McCracken	NF	no factor TF: 70-71
2010-06-10	Sunfish	NF	no factor TF: 69-70
2009-08-11	Team_Inspector	NF	no factor TF: 68-69