Q: Is 428,980 a Prime Number?
A: No, 428,980 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 428980 can be evenly divided by 1 2 4 5 10 20 89 178 241 356 445 482 890 964 1,205 1,780 2,410 4,820 21,449 42,898 85,796 107,245 214,490 and 428,980, with no remainder.
Since 428,980 cannot be divided by just 1 and 428,980, it is not a prime number.