Q: Is 139,443 a Prime Number?
A: No, 139,443 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 139443 can be evenly divided by 1 3 53 159 877 2,631 46,481 and 139,443, with no remainder.
Since 139,443 cannot be divided by just 1 and 139,443, it is not a prime number.