Q: Is 143,121 a Prime Number?
A: No, 143,121 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 143121 can be evenly divided by 1 3 11 33 4,337 13,011 47,707 and 143,121, with no remainder.
Since 143,121 cannot be divided by just 1 and 143,121, it is not a prime number.