332 323 477 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 =	2665000
B2 =	59296250

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2021-10-22	Chelle	C1A5DB1AC996343C	188939008	1	3

History

Date	User	Type	Result
2024-02-20	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-12	Mark Rose	NF	no factor TF: 80-81
2021-10-25	ZacHFX	CERT	Proof certified good
2021-10-22	Chelle	C-PRP	C1A5DB1AC996343C Proof Certified Good Proof Power: 8
2016-05-18	wilbr	NF-PM1	B1=2665000, B2=59296250
2016-04-16	dh1	NF	no factor TF: 79-80
2016-04-16	dh1	NF	no factor TF: 78-79
2016-04-16	dh1	NF	no factor TF: 77-78
2016-04-13	NR	NF	no factor TF: 76-77
2016-03-02	Team_Inspector	NF	no factor TF: 75-76
2013-11-22	Team_Inspector	NF	no factor TF: 74-75
2013-11-19	Team_Inspector	NF	no factor TF: 73-74
2013-01-17	LaurV	NF	no factor TF: 72-73
2012-06-19	Grant McCracken	NF	no factor TF: 71-72
2011-06-01	Grant McCracken	NF	no factor TF: 70-71
2010-11-10	Sunfish	NF	no factor TF: 69-70
2010-03-21	Grant McCracken	NF	no factor TF: 68-69