Q: Is 21,702 a Prime Number?
A: No, 21,702 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 21702 can be evenly divided by 1 2 3 6 3,617 7,234 10,851 and 21,702, with no remainder.
Since 21,702 cannot be divided by just 1 and 21,702, it is not a prime number.