Q: Is 679,240 a Prime Number?
A: No, 679,240 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 679240 can be evenly divided by 1 2 4 5 8 10 20 40 16,981 33,962 67,924 84,905 135,848 169,810 339,620 and 679,240, with no remainder.
Since 679,240 cannot be divided by just 1 and 679,240, it is not a prime number.