Q: Is 428,170 a Prime Number?
A: No, 428,170 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 428170 can be evenly divided by 1 2 5 10 47 94 235 470 911 1,822 4,555 9,110 42,817 85,634 214,085 and 428,170, with no remainder.
Since 428,170 cannot be divided by just 1 and 428,170, it is not a prime number.