Q: Is 21,435 a Composite Number?
A: Yes, 21,435 is a composite number.
The number 21,435 can be evenly divided by 1 3 5 15 1,429 4,287 7,145 and 21,435, with no remainder.
Since 21,435 cannot be divided by just 1 and 21,435, it is a composite number.