Q: Is 1,804,320 a Composite Number?

Why is 1,804,320 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 1,804,320 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 70 72 80 84 90 96 105 112 120 126 140 144 160 168 179 180 210 224 240 252 280 288 315 336 358 360 420 480 504 537 560 630 672 716 720 840 895 1,008 1,074 1,120 1,253 1,260 1,432 1,440 1,611 1,680 1,790 2,016 2,148 2,506 2,520 2,685 2,864 3,222 3,360 3,580 3,759 4,296 5,012 5,040 5,370 5,728 6,265 6,444 7,160 7,518 8,055 8,592 10,024 10,080 10,740 11,277 12,530 12,888 14,320 15,036 16,110 17,184 18,795 20,048 21,480 22,554 25,060 25,776 28,640 30,072 32,220 37,590 40,096 42,960 45,108 50,120 51,552 56,385 60,144 64,440 75,180 85,920 90,216 100,240 112,770 120,288 128,880 150,360 180,432 200,480 225,540 257,760 300,720 360,864 451,080 601,440 902,160 and 1,804,320, with no remainder.

Since 1,804,320 cannot be divided by just 1 and 1,804,320, 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).