Q: Is 1,224,720 a Prime Number?
A: No, 1,224,720 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 1224720 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 54 56 60 63 70 72 80 81 84 90 105 108 112 120 126 135 140 144 162 168 180 189 210 216 240 243 252 270 280 315 324 336 360 378 405 420 432 486 504 540 560 567 630 648 720 729 756 810 840 945 972 1,008 1,080 1,134 1,215 1,260 1,296 1,458 1,512 1,620 1,680 1,701 1,890 1,944 2,160 2,187 2,268 2,430 2,520 2,835 2,916 3,024 3,240 3,402 3,645 3,780 3,888 4,374 4,536 4,860 5,040 5,103 5,670 5,832 6,480 6,804 7,290 7,560 8,505 8,748 9,072 9,720 10,206 10,935 11,340 11,664 13,608 14,580 15,120 15,309 17,010 17,496 19,440 20,412 21,870 22,680 25,515 27,216 29,160 30,618 34,020 34,992 40,824 43,740 45,360 51,030 58,320 61,236 68,040 76,545 81,648 87,480 102,060 122,472 136,080 153,090 174,960 204,120 244,944 306,180 408,240 612,360 and 1,224,720, with no remainder.
Since 1,224,720 cannot be divided by just 1 and 1,224,720, it is not a prime number.