Q: Is 118,215 a Prime Number?
A: No, 118,215 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 118215 can be evenly divided by 1 3 5 9 15 37 45 71 111 185 213 333 355 555 639 1,065 1,665 2,627 3,195 7,881 13,135 23,643 39,405 and 118,215, with no remainder.
Since 118,215 cannot be divided by just 1 and 118,215, it is not a prime number.