Q: Is 72,387 a Prime Number?
A: No, 72,387 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 72387 can be evenly divided by 1 3 7 9 21 27 63 189 383 1,149 2,681 3,447 8,043 10,341 24,129 and 72,387, with no remainder.
Since 72,387 cannot be divided by just 1 and 72,387, it is not a prime number.