Q: Is 679,520 a Prime Number?
A: No, 679,520 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 679520 can be evenly divided by 1 2 4 5 8 10 16 20 31 32 40 62 80 124 137 155 160 248 274 310 496 548 620 685 992 1,096 1,240 1,370 2,192 2,480 2,740 4,247 4,384 4,960 5,480 8,494 10,960 16,988 21,235 21,920 33,976 42,470 67,952 84,940 135,904 169,880 339,760 and 679,520, with no remainder.
Since 679,520 cannot be divided by just 1 and 679,520, it is not a prime number.