Q: Is 180,945 a Prime Number?
A: No, 180,945 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 180945 can be evenly divided by 1 3 5 9 15 45 4,021 12,063 20,105 36,189 60,315 and 180,945, with no remainder.
Since 180,945 cannot be divided by just 1 and 180,945, it is not a prime number.