Q: Is 223,420 a Prime Number?
A: No, 223,420 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 223420 can be evenly divided by 1 2 4 5 10 20 11,171 22,342 44,684 55,855 111,710 and 223,420, with no remainder.
Since 223,420 cannot be divided by just 1 and 223,420, it is not a prime number.