Q: Is 21,430 a Composite Number?
A: Yes, 21,430 is a composite number.
The number 21,430 can be evenly divided by 1 2 5 10 2,143 4,286 10,715 and 21,430, with no remainder.
Since 21,430 cannot be divided by just 1 and 21,430, it is a composite number.