Q: Is 143,666 a Prime Number?
A: No, 143,666 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 143666 can be evenly divided by 1 2 29 58 2,477 4,954 71,833 and 143,666, with no remainder.
Since 143,666 cannot be divided by just 1 and 143,666, it is not a prime number.