332 233 751 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 =	4420000
B2 =	4420000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2022-02-06	Chelle	49DF069DDAA7ABF1	307640707	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-17	Mark Rose	NF	no factor TF: 80-81
2023-03-17	Mark Rose	NF	no factor TF: 79-80
2022-03-06	Jan S.	CERT	Proof certified good
2022-02-06	Chelle	C-PRP	49DF069DDAA7ABF1 Proof Certified Good Proof Power: 8
2020-08-06	el grocco	NF	no factor TF: 78-79
2015-09-20	Dr. Erhard Henkes	NF-PM1	B1=4420000
2015-08-23	srow7	NF	no factor TF: 77-78
2015-08-16	srow7	NF	no factor TF: 76-77
2011-10-14	Sebastian Hornbostel	NF	no factor TF: 75-76
2011-04-27	Christian Geschwentner	NF	no factor TF: 74-75
2010-08-10	Team_Inspector	NF	no factor TF: 73-74
2010-08-04	Team_Inspector	NF	no factor TF: 72-73
2010-08-01	Team_Inspector	NF	no factor TF: 71-72
2010-07-31	Team_Inspector	NF	no factor TF: 70-71
2009-04-01	Team_Inspector	NF	no factor TF: 69-70
2009-01-18	Team_Inspector	NF	no factor TF: 68-69