Q: Is 387,231 a Prime Number?
A: No, 387,231 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 387231 can be evenly divided by 1 3 13 39 9,929 29,787 129,077 and 387,231, with no remainder.
Since 387,231 cannot be divided by just 1 and 387,231, it is not a prime number.