Q: Is 139,523 a Prime Number?
A: No, 139,523 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 139523 can be evenly divided by 1 41 83 1,681 3,403 and 139,523, with no remainder.
Since 139,523 cannot be divided by just 1 and 139,523, it is not a prime number.