Q: Is 858,942 a Prime Number?
A: No, 858,942 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 858942 can be evenly divided by 1 2 3 6 7 9 14 17 18 21 34 42 51 63 102 119 126 153 238 306 357 401 714 802 1,071 1,203 2,142 2,406 2,807 3,609 5,614 6,817 7,218 8,421 13,634 16,842 20,451 25,263 40,902 47,719 50,526 61,353 95,438 122,706 143,157 286,314 429,471 and 858,942, with no remainder.
Since 858,942 cannot be divided by just 1 and 858,942, it is not a prime number.