Q: Is 607,978 a Prime Number?
A: No, 607,978 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 607978 can be evenly divided by 1 2 7 14 43,427 86,854 303,989 and 607,978, with no remainder.
Since 607,978 cannot be divided by just 1 and 607,978, it is not a prime number.