Q: Is 387,099 a Prime Number?
A: No, 387,099 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 387099 can be evenly divided by 1 3 9 27 59 81 177 243 531 729 1,593 2,187 4,779 6,561 14,337 43,011 129,033 and 387,099, with no remainder.
Since 387,099 cannot be divided by just 1 and 387,099, it is not a prime number.