Q: Is 3,105 a Prime Number?
A: No, 3,105 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 3105 can be evenly divided by 1 3 5 9 15 23 27 45 69 115 135 207 345 621 1,035 and 3,105, with no remainder.
Since 3,105 cannot be divided by just 1 and 3,105, it is not a prime number.