Q: Is 858,488 a Prime Number?
A: No, 858,488 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 858488 can be evenly divided by 1 2 4 8 239 449 478 898 956 1,796 1,912 3,592 107,311 214,622 429,244 and 858,488, with no remainder.
Since 858,488 cannot be divided by just 1 and 858,488, it is not a prime number.