Q: Is 1,108,215 a Prime Number?
A: No, 1,108,215 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 1108215 can be evenly divided by 1 3 5 9 15 27 45 135 8,209 24,627 41,045 73,881 123,135 221,643 369,405 and 1,108,215, with no remainder.
Since 1,108,215 cannot be divided by just 1 and 1,108,215, it is not a prime number.