Q: Is 279,021 a Prime Number?
A: No, 279,021 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 279021 can be evenly divided by 1 3 17 51 5,471 16,413 93,007 and 279,021, with no remainder.
Since 279,021 cannot be divided by just 1 and 279,021, it is not a prime number.