Q: Is 198,423 a Prime Number?
A: No, 198,423 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 198423 can be evenly divided by 1 3 9 27 7,349 22,047 66,141 and 198,423, with no remainder.
Since 198,423 cannot be divided by just 1 and 198,423, it is not a prime number.