332 231 993 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 =	4090000
B2 =	4090000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2023-01-23	Chelle	3478D5AE7D81DA9B	313555056	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-16	Mark Rose	NF	no factor TF: 80-81
2023-03-16	Mark Rose	NF	no factor TF: 79-80
2023-02-10	Team_Inspector	CERT	Proof certified good
2023-01-23	Chelle	C-PRP	3478D5AE7D81DA9B Proof Certified Good Proof Power: 8
2011-06-15	-anonymous-	NF-PM1	B1=4090000
2011-03-18	TheJudger	NF	no factor TF: 78-79
2011-03-18	TheJudger	NF	no factor TF: 77-78
2011-03-18	TheJudger	NF	no factor TF: 76-77
2011-03-18	TheJudger	NF	no factor TF: 75-76
2011-03-18	TheJudger	NF	no factor TF: 74-75
2011-02-25	Team_Inspector	NF	no factor TF: 73-74
2011-02-19	Team_Inspector	NF	no factor TF: 72-73
2010-10-18	Ethan O'Connor	NF	no factor TF: 71-72
2010-07-07	Grant McCracken	NF	no factor TF: 70-71
2009-09-01	Team_Inspector	NF	no factor TF: 69-70
2009-05-10	Team_Inspector	NF	no factor TF: 68-69