Q: Is 143,439 a Prime Number?
A: No, 143,439 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 143439 can be evenly divided by 1 3 137 349 411 1,047 47,813 and 143,439, with no remainder.
Since 143,439 cannot be divided by just 1 and 143,439, it is not a prime number.