Q: Is 143,129 a Prime Number?
A: No, 143,129 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 143129 can be evenly divided by 1 7 23 49 127 161 889 1,127 2,921 6,223 20,447 and 143,129, with no remainder.
Since 143,129 cannot be divided by just 1 and 143,129, it is not a prime number.