Q: Is 721,670 a Composite Number?
A: Yes, 721,670 is a composite number.
The number 721,670 can be evenly divided by 1 2 5 10 72,167 144,334 360,835 and 721,670, with no remainder.
Since 721,670 cannot be divided by just 1 and 721,670, it is a composite number.