332 259 871 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 =	3100000
B2 =	93000000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2025-02-15	ANONYMOUS	E3986BACA8774B12	0	1	3

History

Date	User	Type	Result
2025-02-17	Kriesel	CERT	Proof certified good
2025-02-15	ANONYMOUS	C-PRP	E3986BACA8774B12 Proof Certified Good Proof Power: 8
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-01-04	Mark Rose	NF	no factor TF: 80-81
2020-08-15	el grocco	NF	no factor TF: 79-80
2020-08-14	el grocco	NF	no factor TF: 78-79
2020-06-11	Runtime Error	NF	no factor TF: 77-78
2017-04-17	aurashift	NF-PM1	B1=3100000, B2=93000000, E=12
2015-08-28	srow7	NF	no factor TF: 76-77
2015-01-02	Team_Inspector	NF	no factor TF: 75-76
2013-01-10	LaurV	NF	no factor TF: 74-75
2012-02-03	Team_Inspector	NF	no factor TF: 73-74
2011-09-26	Team_Inspector	NF	no factor TF: 72-73
2011-05-27	Grant McCracken	NF	no factor TF: 71-72
2011-01-10	Team_Inspector	NF	no factor TF: 70-71
2009-10-01	Team_Inspector	NF	no factor TF: 69-70
2009-05-24	Team_Inspector	NF	no factor TF: 68-69