Q: Is 145,978 a Prime Number?
A: No, 145,978 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 145978 can be evenly divided by 1 2 7 14 10,427 20,854 72,989 and 145,978, with no remainder.
Since 145,978 cannot be divided by just 1 and 145,978, it is not a prime number.