Q: Is 678,945 a Composite Number?
A: Yes, 678,945 is a composite number.
The number 678,945 can be evenly divided by 1 3 5 15 45,263 135,789 226,315 and 678,945, with no remainder.
Since 678,945 cannot be divided by just 1 and 678,945, it is a composite number.