Q: Is 1,200,635 a Prime Number?
A: No, 1,200,635 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 1200635 can be evenly divided by 1 5 109 545 2,203 11,015 240,127 and 1,200,635, with no remainder.
Since 1,200,635 cannot be divided by just 1 and 1,200,635, it is not a prime number.