Q: Is 423,020 a Prime Number?
A: No, 423,020 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 423020 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 1,627 3,254 6,508 8,135 16,270 21,151 32,540 42,302 84,604 105,755 211,510 and 423,020, with no remainder.
Since 423,020 cannot be divided by just 1 and 423,020, it is not a prime number.