Q: Is 198,138 a Prime Number?
A: No, 198,138 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 198138 can be evenly divided by 1 2 3 6 33,023 66,046 99,069 and 198,138, with no remainder.
Since 198,138 cannot be divided by just 1 and 198,138, it is not a prime number.