Q: Is 428,270 a Prime Number?
A: No, 428,270 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 428270 can be evenly divided by 1 2 5 10 113 226 379 565 758 1,130 1,895 3,790 42,827 85,654 214,135 and 428,270, with no remainder.
Since 428,270 cannot be divided by just 1 and 428,270, it is not a prime number.