Q: Is 1,451,520 a Composite Number?

Why is 1,451,520 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 1,451,520 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 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 81 84 90 96 105 108 112 120 126 128 135 140 144 160 162 168 180 189 192 210 216 224 240 252 256 270 280 288 315 320 324 336 360 378 384 405 420 432 448 480 504 512 540 560 567 576 630 640 648 672 720 756 768 810 840 864 896 945 960 1,008 1,080 1,120 1,134 1,152 1,260 1,280 1,296 1,344 1,440 1,512 1,536 1,620 1,680 1,728 1,792 1,890 1,920 2,016 2,160 2,240 2,268 2,304 2,520 2,560 2,592 2,688 2,835 2,880 3,024 3,240 3,360 3,456 3,584 3,780 3,840 4,032 4,320 4,480 4,536 4,608 5,040 5,184 5,376 5,670 5,760 6,048 6,480 6,720 6,912 7,560 7,680 8,064 8,640 8,960 9,072 10,080 10,368 10,752 11,340 11,520 12,096 12,960 13,440 13,824 15,120 16,128 17,280 17,920 18,144 20,160 20,736 22,680 23,040 24,192 25,920 26,880 30,240 32,256 34,560 36,288 40,320 41,472 45,360 48,384 51,840 53,760 60,480 69,120 72,576 80,640 90,720 96,768 103,680 120,960 145,152 161,280 181,440 207,360 241,920 290,304 362,880 483,840 725,760 and 1,451,520, with no remainder.

Since 1,451,520 cannot be divided by just 1 and 1,451,520, 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).