Q: Is 321,428 a Composite Number?
A: Yes, 321,428 is a composite number.
The number 321,428 can be evenly divided by 1 2 4 107 214 428 751 1,502 3,004 80,357 160,714 and 321,428, with no remainder.
Since 321,428 cannot be divided by just 1 and 321,428, it is a composite number.