Q: Is 428,080 a Prime Number?
A: No, 428,080 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 428080 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 5,351 10,702 21,404 26,755 42,808 53,510 85,616 107,020 214,040 and 428,080, with no remainder.
Since 428,080 cannot be divided by just 1 and 428,080, it is not a prime number.