Q: Is 387,255 a Prime Number?
A: No, 387,255 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 387255 can be evenly divided by 1 3 5 11 15 33 55 165 2,347 7,041 11,735 25,817 35,205 77,451 129,085 and 387,255, with no remainder.
Since 387,255 cannot be divided by just 1 and 387,255, it is not a prime number.