Q: Is 143,891 a Prime Number?
A: No, 143,891 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 143891 can be evenly divided by 1 11 103 127 1,133 1,397 13,081 and 143,891, with no remainder.
Since 143,891 cannot be divided by just 1 and 143,891, it is not a prime number.