Q: Is 111,891 a Prime Number?
A: No, 111,891 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 111891 can be evenly divided by 1 3 13 19 39 57 151 247 453 741 1,963 2,869 5,889 8,607 37,297 and 111,891, with no remainder.
Since 111,891 cannot be divided by just 1 and 111,891, it is not a prime number.