Q: Is 1,200,135 a Prime Number?
A: No, 1,200,135 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 1200135 can be evenly divided by 1 3 5 15 19 57 95 285 4,211 12,633 21,055 63,165 80,009 240,027 400,045 and 1,200,135, with no remainder.
Since 1,200,135 cannot be divided by just 1 and 1,200,135, it is not a prime number.