332 307 257 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 =	5055000
B2 =	5055000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=10	2025-10-16	SmithMichae2	C41549B3080BA671	296084843	1	3

History

Date	User	Type	Result
2025-10-16	jerickson	CERT	Proof certified good
2025-10-16	SmithMichae2	C-PRP	C41549B3080BA671 Proof Certified Good Proof Power: 10
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-01-19	Mark Rose	NF	no factor TF: 80-81
2023-01-19	Mark Rose	NF	no factor TF: 79-80
2020-09-10	LOBES	NF	no factor TF: 78-79
2020-09-09	Team_Inspector	NF	no factor TF: 77-78
2016-01-05	aurashift	NF	no factor TF: 76-77
2015-12-31	aurashift	NF-PM1	B1=5055000
2013-04-26	Team_Inspector	NF	no factor TF: 75-76
2013-04-20	Team_Inspector	NF	no factor TF: 74-75
2013-04-17	Team_Inspector	NF	no factor TF: 73-74
2013-01-14	LaurV	NF	no factor TF: 72-73
2011-09-19	Grant McCracken	NF	no factor TF: 71-72
2011-05-14	Grant McCracken	NF	no factor TF: 70-71
2010-05-20	Sunfish	NF	no factor TF: 69-70
2009-08-07	Team_Inspector	NF	no factor TF: 68-69