Q: Is 1,200,039 a Prime Number?
A: No, 1,200,039 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 1200039 can be evenly divided by 1 3 607 659 1,821 1,977 400,013 and 1,200,039, with no remainder.
Since 1,200,039 cannot be divided by just 1 and 1,200,039, it is not a prime number.