Q: Is 438,507 a Prime Number?
A: No, 438,507 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 438507 can be evenly divided by 1 3 9 27 109 149 327 447 981 1,341 2,943 4,023 16,241 48,723 146,169 and 438,507, with no remainder.
Since 438,507 cannot be divided by just 1 and 438,507, it is not a prime number.