Q: Is 277,978 a Prime Number?
A: No, 277,978 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 277978 can be evenly divided by 1 2 23 46 6,043 12,086 138,989 and 277,978, with no remainder.
Since 277,978 cannot be divided by just 1 and 277,978, it is not a prime number.