Q: Is 858,242 a Prime Number?
A: No, 858,242 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 858242 can be evenly divided by 1 2 7 11 14 22 77 154 5,573 11,146 39,011 61,303 78,022 122,606 429,121 and 858,242, with no remainder.
Since 858,242 cannot be divided by just 1 and 858,242, it is not a prime number.