Q: Is 438,684 a Prime Number?
A: No, 438,684 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 438684 can be evenly divided by 1 2 3 4 6 12 139 263 278 417 526 556 789 834 1,052 1,578 1,668 3,156 36,557 73,114 109,671 146,228 219,342 and 438,684, with no remainder.
Since 438,684 cannot be divided by just 1 and 438,684, it is not a prime number.