Q: Is 420,735 a Prime Number?
A: No, 420,735 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 420735 can be evenly divided by 1 3 5 7 15 21 35 105 4,007 12,021 20,035 28,049 60,105 84,147 140,245 and 420,735, with no remainder.
Since 420,735 cannot be divided by just 1 and 420,735, it is not a prime number.