Q: Is 140,439 a Prime Number?
A: No, 140,439 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 140439 can be evenly divided by 1 3 13 39 169 277 507 831 3,601 10,803 46,813 and 140,439, with no remainder.
Since 140,439 cannot be divided by just 1 and 140,439, it is not a prime number.