Q: Is 43,215 a Prime Number?
A: No, 43,215 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 43215 can be evenly divided by 1 3 5 15 43 67 129 201 215 335 645 1,005 2,881 8,643 14,405 and 43,215, with no remainder.
Since 43,215 cannot be divided by just 1 and 43,215, it is not a prime number.