Q: Is 407,428 a Prime Number?
A: No, 407,428 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 407428 can be evenly divided by 1 2 4 7 14 28 14,551 29,102 58,204 101,857 203,714 and 407,428, with no remainder.
Since 407,428 cannot be divided by just 1 and 407,428, it is not a prime number.