Q: Is 428,090 a Prime Number?
A: No, 428,090 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 428090 can be evenly divided by 1 2 5 10 13 26 37 65 74 89 130 178 185 370 445 481 890 962 1,157 2,314 2,405 3,293 4,810 5,785 6,586 11,570 16,465 32,930 42,809 85,618 214,045 and 428,090, with no remainder.
Since 428,090 cannot be divided by just 1 and 428,090, it is not a prime number.