Q: Is 1,266,978 a Prime Number?
A: No, 1,266,978 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 1266978 can be evenly divided by 1 2 3 6 23 46 69 138 9,181 18,362 27,543 55,086 211,163 422,326 633,489 and 1,266,978, with no remainder.
Since 1,266,978 cannot be divided by just 1 and 1,266,978, it is not a prime number.