Q: Is 120,105 a Prime Number?
A: No, 120,105 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 120105 can be evenly divided by 1 3 5 9 15 17 45 51 85 153 157 255 471 765 785 1,413 2,355 2,669 7,065 8,007 13,345 24,021 40,035 and 120,105, with no remainder.
Since 120,105 cannot be divided by just 1 and 120,105, it is not a prime number.