Q: Is 1,408,420 a Prime Number?
A: No, 1,408,420 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 1408420 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 5,417 10,834 21,668 27,085 54,170 70,421 108,340 140,842 281,684 352,105 704,210 and 1,408,420, with no remainder.
Since 1,408,420 cannot be divided by just 1 and 1,408,420, it is not a prime number.