Q: Is 1,228,920 a Composite Number?

Why is 1,228,920 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 1,228,920 can be evenly divided by 1 2 3 4 5 6 7 8 10 11 12 14 15 19 20 21 22 24 28 30 33 35 38 40 42 44 49 55 56 57 60 66 70 76 77 84 88 95 98 105 110 114 120 132 133 140 147 152 154 165 168 190 196 209 210 220 228 231 245 264 266 280 285 294 308 330 380 385 392 399 418 420 440 456 462 490 532 539 570 588 616 627 660 665 735 760 770 798 836 840 924 931 980 1,045 1,064 1,078 1,140 1,155 1,176 1,254 1,320 1,330 1,463 1,470 1,540 1,596 1,617 1,672 1,848 1,862 1,960 1,995 2,090 2,156 2,280 2,310 2,508 2,660 2,695 2,793 2,926 2,940 3,080 3,135 3,192 3,234 3,724 3,990 4,180 4,312 4,389 4,620 4,655 5,016 5,320 5,390 5,586 5,852 5,880 6,270 6,468 7,315 7,448 7,980 8,085 8,360 8,778 9,240 9,310 10,241 10,780 11,172 11,704 12,540 12,936 13,965 14,630 15,960 16,170 17,556 18,620 20,482 21,560 21,945 22,344 25,080 27,930 29,260 30,723 32,340 35,112 37,240 40,964 43,890 51,205 55,860 58,520 61,446 64,680 81,928 87,780 102,410 111,720 122,892 153,615 175,560 204,820 245,784 307,230 409,640 614,460 and 1,228,920, with no remainder.

Since 1,228,920 cannot be divided by just 1 and 1,228,920, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).