Q: Is 688,080 a Prime Number?
A: No, 688,080 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 688080 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 47 48 60 61 80 94 120 122 141 183 188 235 240 244 282 305 366 376 470 488 564 610 705 732 752 915 940 976 1,128 1,220 1,410 1,464 1,830 1,880 2,256 2,440 2,820 2,867 2,928 3,660 3,760 4,880 5,640 5,734 7,320 8,601 11,280 11,468 14,335 14,640 17,202 22,936 28,670 34,404 43,005 45,872 57,340 68,808 86,010 114,680 137,616 172,020 229,360 344,040 and 688,080, with no remainder.
Since 688,080 cannot be divided by just 1 and 688,080, it is not a prime number.