Q: Is 840,424 a Prime Number?
A: No, 840,424 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 840424 can be evenly divided by 1 2 4 8 13 26 52 104 8,081 16,162 32,324 64,648 105,053 210,106 420,212 and 840,424, with no remainder.
Since 840,424 cannot be divided by just 1 and 840,424, it is not a prime number.