Q: Is 11,521,440 a Composite Number?

Why is 11,521,440 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 11,521,440 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 70 72 80 81 84 90 96 105 108 112 120 126 127 135 140 144 160 162 168 180 189 210 216 224 240 252 254 270 280 288 315 324 336 360 378 381 405 420 432 480 504 508 540 560 567 630 635 648 672 720 756 762 810 840 864 889 945 1,008 1,016 1,080 1,120 1,134 1,143 1,260 1,270 1,296 1,440 1,512 1,524 1,620 1,680 1,778 1,890 1,905 2,016 2,032 2,160 2,268 2,286 2,520 2,540 2,592 2,667 2,835 3,024 3,048 3,240 3,360 3,429 3,556 3,780 3,810 4,064 4,320 4,445 4,536 4,572 5,040 5,080 5,334 5,670 5,715 6,048 6,096 6,480 6,858 7,112 7,560 7,620 8,001 8,890 9,072 9,144 10,080 10,160 10,287 10,668 11,340 11,430 12,192 12,960 13,335 13,716 14,224 15,120 15,240 16,002 17,145 17,780 18,144 18,288 20,320 20,574 21,336 22,680 22,860 24,003 26,670 27,432 28,448 30,240 30,480 32,004 34,290 35,560 36,576 40,005 41,148 42,672 45,360 45,720 48,006 51,435 53,340 54,864 60,960 64,008 68,580 71,120 72,009 80,010 82,296 85,344 90,720 91,440 96,012 102,870 106,680 109,728 120,015 128,016 137,160 142,240 144,018 160,020 164,592 182,880 192,024 205,740 213,360 240,030 256,032 274,320 288,036 320,040 329,184 360,045 384,048 411,480 426,720 480,060 548,640 576,072 640,080 720,090 768,096 822,960 960,120 1,152,144 1,280,160 1,440,180 1,645,920 1,920,240 2,304,288 2,880,360 3,840,480 5,760,720 and 11,521,440, with no remainder.

Since 11,521,440 cannot be divided by just 1 and 11,521,440, 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).