Q: Is 428,621 a Composite Number?
A: Yes, 428,621 is a composite number.
The number 428,621 can be evenly divided by 1 17 19 323 1,327 22,559 25,213 and 428,621, with no remainder.
Since 428,621 cannot be divided by just 1 and 428,621, it is a composite number.