Q: Is 856,420 a Composite Number?
A: Yes, 856,420 is a composite number.
The number 856,420 can be evenly divided by 1 2 4 5 10 20 42,821 85,642 171,284 214,105 428,210 and 856,420, with no remainder.
Since 856,420 cannot be divided by just 1 and 856,420, it is a composite number.