Q: Is 13,215 a Prime Number?
A: No, 13,215 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 13215 can be evenly divided by 1 3 5 15 881 2,643 4,405 and 13,215, with no remainder.
Since 13,215 cannot be divided by just 1 and 13,215, it is not a prime number.