Q: Is 498,399 a Prime Number?
A: No, 498,399 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 498399 can be evenly divided by 1 3 11 33 121 363 1,373 4,119 15,103 45,309 166,133 and 498,399, with no remainder.
Since 498,399 cannot be divided by just 1 and 498,399, it is not a prime number.