Q: Is 189,423 a Prime Number?
A: No, 189,423 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 189423 can be evenly divided by 1 3 9 13 39 117 1,619 4,857 14,571 21,047 63,141 and 189,423, with no remainder.
Since 189,423 cannot be divided by just 1 and 189,423, it is not a prime number.