332 327 209 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 =	3345000
B2 =	98677500

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2026-02-07	mbo1983	1FFD006AD47FE66E	185408930	1	3

History

Date	User	Type	Result
2026-02-08	Kriesel	CERT	Proof certified good
2026-02-07	mbo1983	C-PRP	Proof Certified Good Proof Power: 7
2024-02-21	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-01-28	Mark Rose	NF	no factor TF: 80-81
2023-01-28	Mark Rose	NF	no factor TF: 79-80
2022-11-19	Naegi Makoto	NF	no factor TF: 78-79
2021-05-23	Jon Pace	NF	no factor TF: 77-78
2014-10-18	-anonymous-	NF	no factor TF: 76-77
2014-09-13	-anonymous-	NF-PM1	B1=3345000, B2=98677500
2014-06-24	-anonymous-	NF	no factor TF: 75-76
2014-04-19	Preben S	NF	no factor TF: 74-75
2013-12-21	Team_Inspector	NF	no factor TF: 73-74
2013-01-17	LaurV	NF	no factor TF: 72-73
2012-06-27	Grant McCracken	NF	no factor TF: 71-72
2011-05-02	Grant McCracken	NF	no factor TF: 70-71
2010-12-11	Sunfish	NF	no factor TF: 69-70
2010-03-29	Grant McCracken	NF	no factor TF: 68-69