Q: Is 679,040 a Prime Number?
A: No, 679,040 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 679040 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 1,061 2,122 4,244 5,305 8,488 10,610 16,976 21,220 33,952 42,440 67,904 84,880 135,808 169,760 339,520 and 679,040, with no remainder.
Since 679,040 cannot be divided by just 1 and 679,040, it is not a prime number.