Q: Is 143,729 a Prime Number?
A: Yes, 143,729 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 143729 can be evenly divided by 1 and 143,729, with no remainder.
Since 143,729 can be divided by just 1 and 143,729, it is a prime number.