Q: Is 72,945 a Prime Number?
A: No, 72,945 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 72945 can be evenly divided by 1 3 5 9 15 45 1,621 4,863 8,105 14,589 24,315 and 72,945, with no remainder.
Since 72,945 cannot be divided by just 1 and 72,945, it is not a prime number.