Q: Is 398,535 a Prime Number?
A: No, 398,535 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 398535 can be evenly divided by 1 3 5 15 163 489 815 2,445 26,569 79,707 132,845 and 398,535, with no remainder.
Since 398,535 cannot be divided by just 1 and 398,535, it is not a prime number.