Q: Is 138,723 a Prime Number?
A: No, 138,723 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 138723 can be evenly divided by 1 3 13 39 3,557 10,671 46,241 and 138,723, with no remainder.
Since 138,723 cannot be divided by just 1 and 138,723, it is not a prime number.