Q: Is 143,091 a Prime Number?
A: No, 143,091 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 143091 can be evenly divided by 1 3 9 13 39 117 1,223 3,669 11,007 15,899 47,697 and 143,091, with no remainder.
Since 143,091 cannot be divided by just 1 and 143,091, it is not a prime number.