Q: Is 628,320 a Prime Number?
A: No, 628,320 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 628320 can be evenly divided by 1 2 3 4 5 6 7 8 10 11 12 14 15 16 17 20 21 22 24 28 30 32 33 34 35 40 42 44 48 51 55 56 60 66 68 70 77 80 84 85 88 96 102 105 110 112 119 120 132 136 140 154 160 165 168 170 176 187 204 210 220 224 231 238 240 255 264 272 280 308 330 336 340 352 357 374 385 408 420 440 462 476 480 510 528 544 560 561 595 616 660 672 680 714 748 770 816 840 880 924 935 952 1,020 1,056 1,120 1,122 1,155 1,190 1,232 1,309 1,320 1,360 1,428 1,496 1,540 1,632 1,680 1,760 1,785 1,848 1,870 1,904 2,040 2,244 2,310 2,380 2,464 2,618 2,640 2,720 2,805 2,856 2,992 3,080 3,360 3,570 3,696 3,740 3,808 3,927 4,080 4,488 4,620 4,760 5,236 5,280 5,610 5,712 5,984 6,160 6,545 7,140 7,392 7,480 7,854 8,160 8,976 9,240 9,520 10,472 11,220 11,424 12,320 13,090 14,280 14,960 15,708 17,952 18,480 19,040 19,635 20,944 22,440 26,180 28,560 29,920 31,416 36,960 39,270 41,888 44,880 52,360 57,120 62,832 78,540 89,760 104,720 125,664 157,080 209,440 314,160 and 628,320, with no remainder.
Since 628,320 cannot be divided by just 1 and 628,320, it is not a prime number.