332 242 187 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 =	3000000
B2 =	79500000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2022-04-02	Simon Josefsson	BBBECBAFD8C347CD	228642971	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
2022-04-24	Jan S.	CERT	Proof certified good
2022-04-18	Oliver Kruse	CERT	Certification bad
2022-04-02	Simon Josefsson	C-PRP	BBBECBAFD8C347CD Proof Certified Good Proof Power: 7
2016-12-27	AirSquirrels	NF-PM1	B1=3000000, B2=79500000, E=12
2013-08-18	Bill Staffen	NF	no factor TF: 78-79
2013-08-17	Bill Staffen	NF	no factor TF: 77-78
2013-08-17	Bill Staffen	NF	no factor TF: 76-77
2013-08-17	Bill Staffen	NF	no factor TF: 75-76
2013-05-20	kracker	NF	no factor TF: 74-75
2011-05-15	Christian Geschwentner	NF	no factor TF: 73-74
2011-04-30	Christian Geschwentner	NF	no factor TF: 72-73
2010-12-19	Team_Inspector	NF	no factor TF: 71-72
2010-10-12	Team_Inspector	NF	no factor TF: 70-71
2009-05-29	Team_Inspector	NF	no factor TF: 69-70
2009-02-06	Team_Inspector	NF	no factor TF: 68-69