Q: Is 1,320,604 a Prime Number?
A: No, 1,320,604 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 1320604 can be evenly divided by 1 2 4 37 74 148 8,923 17,846 35,692 330,151 660,302 and 1,320,604, with no remainder.
Since 1,320,604 cannot be divided by just 1 and 1,320,604, it is not a prime number.