Q: Is 143,005 a Prime Number?
A: No, 143,005 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 143005 can be evenly divided by 1 5 37 185 773 3,865 28,601 and 143,005, with no remainder.
Since 143,005 cannot be divided by just 1 and 143,005, it is not a prime number.