Q: Is 813,042 a Prime Number?
A: No, 813,042 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 813042 can be evenly divided by 1 2 3 6 9 17 18 34 51 102 153 306 2,657 5,314 7,971 15,942 23,913 45,169 47,826 90,338 135,507 271,014 406,521 and 813,042, with no remainder.
Since 813,042 cannot be divided by just 1 and 813,042, it is not a prime number.