Q: Is 20,870 a Composite Number?
A: Yes, 20,870 is a composite number.
The number 20,870 can be evenly divided by 1 2 5 10 2,087 4,174 10,435 and 20,870, with no remainder.
Since 20,870 cannot be divided by just 1 and 20,870, it is a composite number.