Q: Is 198,420 a Prime Number?
A: No, 198,420 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 198420 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 3,307 6,614 9,921 13,228 16,535 19,842 33,070 39,684 49,605 66,140 99,210 and 198,420, with no remainder.
Since 198,420 cannot be divided by just 1 and 198,420, it is not a prime number.