Q: Is 428,724 a Prime Number?
A: No, 428,724 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 428724 can be evenly divided by 1 2 3 4 6 9 12 18 36 11,909 23,818 35,727 47,636 71,454 107,181 142,908 214,362 and 428,724, with no remainder.
Since 428,724 cannot be divided by just 1 and 428,724, it is not a prime number.