332 288 611 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 =	2740000
B2 =	28085000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2025-07-28	Simon Josefsson	9D4B348EA495FE37	87942939	1	3

History

Date	User	Type	Result
2025-07-29	Kriesel	CERT	Proof certified good
2025-07-28	Simon Josefsson	C-PRP	Proof Certified Good Proof Power: 7
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-04-11	Mark Rose	NF	no factor TF: 80-81
2023-04-11	Mark Rose	NF	no factor TF: 79-80
2020-08-25	el grocco	NF	no factor TF: 78-79
2020-07-31	Team_Inspector	NF	no factor TF: 77-78
2018-03-22	Filip Falta	NF-PM1	B1=2740000, B2=28085000
2017-01-06	Grant McCracken	NF	no factor TF: 76-77
2014-12-12	Jacques MOLNE	NF	no factor TF: 75-76
2013-09-20	ktony	NF	no factor TF: 74-75
2013-05-15	kracker	NF	no factor TF: 73-74
2012-12-08	Team_Inspector	NF	no factor TF: 72-73
2011-09-16	Grant McCracken	NF	no factor TF: 71-72
2011-07-11	Grant McCracken	NF	no factor TF: 70-71
2010-06-12	Sunfish	NF	no factor TF: 69-70
2009-08-13	Team_Inspector	NF	no factor TF: 68-69