Q: Is 391,742 a Prime Number?
A: No, 391,742 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 391742 can be evenly divided by 1 2 13 19 26 38 61 122 169 247 338 494 793 1,159 1,586 2,318 3,211 6,422 10,309 15,067 20,618 30,134 195,871 and 391,742, with no remainder.
Since 391,742 cannot be divided by just 1 and 391,742, it is not a prime number.