Q: Is 8,420 a Composite Number?
A: Yes, 8,420 is a composite number.
The number 8,420 can be evenly divided by 1 2 4 5 10 20 421 842 1,684 2,105 4,210 and 8,420, with no remainder.
Since 8,420 cannot be divided by just 1 and 8,420, it is a composite number.