Q: Is 72,315 a Prime Number?
A: No, 72,315 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 72315 can be evenly divided by 1 3 5 9 15 45 1,607 4,821 8,035 14,463 24,105 and 72,315, with no remainder.
Since 72,315 cannot be divided by just 1 and 72,315, it is not a prime number.