Q: Is 143,105 a Prime Number?
A: No, 143,105 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 143105 can be evenly divided by 1 5 28,621 and 143,105, with no remainder.
Since 143,105 cannot be divided by just 1 and 143,105, it is not a prime number.