332 241 191 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 =	2945000
B2 =	69943750

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2022-03-17	Simon Josefsson	4C3B7EDC75687D4F	166883560	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-18	Mark Rose	NF	no factor TF: 80-81
2023-03-18	Mark Rose	NF	no factor TF: 79-80
2022-03-21	Jan S.	CERT	Proof certified good
2022-03-17	Simon Josefsson	C-PRP	Proof Certified Good Proof Power: 7
2014-06-11	-anonymous-	NF-PM1	B1=2945000, B2=69943750
2013-08-08	Bill Staffen	NF	no factor TF: 78-79
2013-08-08	Bill Staffen	NF	no factor TF: 77-78
2013-08-07	Bill Staffen	NF	no factor TF: 76-77
2013-08-07	Bill Staffen	NF	no factor TF: 75-76
2013-06-02	Team_Inspector	NF	no factor TF: 74-75
2011-05-15	Christian Geschwentner	NF	no factor TF: 73-74
2011-04-28	Christian Geschwentner	NF	no factor TF: 72-73
2010-10-24	Ethan O'Connor	NF	no factor TF: 71-72
2009-09-15	Team_Inspector	NF	no factor TF: 70-71
2009-05-18	Team_Inspector	NF	no factor TF: 69-70
2009-02-04	Team_Inspector	NF	no factor TF: 68-69