Q: Is 858,402 a Prime Number?
A: No, 858,402 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 858402 can be evenly divided by 1 2 3 6 9 18 103 206 309 463 618 926 927 1,389 1,854 2,778 4,167 8,334 47,689 95,378 143,067 286,134 429,201 and 858,402, with no remainder.
Since 858,402 cannot be divided by just 1 and 858,402, it is not a prime number.