332 221 181 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 =	2695000
B2 =	26950000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2022-01-07	nightfly	667E6DCE62C0260C	173542824	1	3

History

Date	User	Type	Result
2024-06-22	James Heinrich	NF	no factor TF: 79-80
2024-06-22	James Heinrich	NF	no factor TF: 78-79
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-06	Mark Rose	NF	no factor TF: 80-81
2022-01-29	Jan S.	CERT	Proof certified good
2022-01-07	nightfly	C-PRP	Proof Certified Good Proof Power: 7
2016-11-01	Matthew Millar	NF	no factor TF: 79-80
2016-09-19	Matthew Millar	NF	no factor TF: 78-79
2015-08-26	Matthew Millar	NF-PM1	B1=2695000, B2=26950000
2015-07-01	Andrew B	NF	no factor TF: 77-78
2015-07-01	Andrew B	NF	no factor TF: 76-77
2011-04-08	Sebastian Hornbostel	NF	no factor TF: 75-76
2011-04-01	Christian Geschwentner	NF	no factor TF: 74-75
2010-12-11	Team_Inspector	NF	no factor TF: 73-74
2008-12-23	Peter Németh	NF	no factor TF: 72-73
2008-12-20	Peter Németh	NF	no factor TF: 71-72
2008-12-19	Peter Németh	NF	no factor TF: 70-71
2008-12-18	Peter Németh	NF	no factor TF: 69-70
2008-12-11	Team_Inspector	NF	no factor TF: 68-69