Q: Is 609,978 a Prime Number?
A: No, 609,978 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 609978 can be evenly divided by 1 2 3 6 101,663 203,326 304,989 and 609,978, with no remainder.
Since 609,978 cannot be divided by just 1 and 609,978, it is not a prime number.