Q: Is 149,509 a Prime Number?
A: No, 149,509 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 149509 can be evenly divided by 1 307 487 and 149,509, with no remainder.
Since 149,509 cannot be divided by just 1 and 149,509, it is not a prime number.