Q: Is 1,326,978 a Prime Number?
A: No, 1,326,978 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 1326978 can be evenly divided by 1 2 3 6 9 18 73,721 147,442 221,163 442,326 663,489 and 1,326,978, with no remainder.
Since 1,326,978 cannot be divided by just 1 and 1,326,978, it is not a prime number.