Q: Is 198,723 a Prime Number?
A: No, 198,723 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 198723 can be evenly divided by 1 3 7 21 9,463 28,389 66,241 and 198,723, with no remainder.
Since 198,723 cannot be divided by just 1 and 198,723, it is not a prime number.