Q: Is 423,090 a Prime Number?
A: No, 423,090 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 423090 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 1,567 3,134 4,701 7,835 9,402 14,103 15,670 23,505 28,206 42,309 47,010 70,515 84,618 141,030 211,545 and 423,090, with no remainder.
Since 423,090 cannot be divided by just 1 and 423,090, it is not a prime number.