Q: Is 143,661 a Prime Number?
A: No, 143,661 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 143661 can be evenly divided by 1 3 7 21 6,841 20,523 47,887 and 143,661, with no remainder.
Since 143,661 cannot be divided by just 1 and 143,661, it is not a prime number.