Q: Is 1,320,655 a Prime Number?
A: No, 1,320,655 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 1320655 can be evenly divided by 1 5 7 35 97 389 485 679 1,945 2,723 3,395 13,615 37,733 188,665 264,131 and 1,320,655, with no remainder.
Since 1,320,655 cannot be divided by just 1 and 1,320,655, it is not a prime number.