Q: Is 9,905,280 a Composite Number?

Why is 9,905,280 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 9,905,280 can be evenly divided by 1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 30 32 33 35 40 42 44 48 55 56 60 64 66 67 70 77 80 84 88 96 105 110 112 120 128 132 134 140 154 160 165 168 176 192 201 210 220 224 231 240 264 268 280 308 320 330 335 336 352 384 385 402 420 440 448 462 469 480 528 536 560 616 640 660 670 672 704 737 770 804 840 880 896 924 938 960 1,005 1,056 1,072 1,120 1,155 1,232 1,320 1,340 1,344 1,407 1,408 1,474 1,540 1,608 1,680 1,760 1,848 1,876 1,920 2,010 2,112 2,144 2,211 2,240 2,310 2,345 2,464 2,640 2,680 2,688 2,814 2,948 3,080 3,216 3,360 3,520 3,685 3,696 3,752 4,020 4,224 4,288 4,422 4,480 4,620 4,690 4,928 5,159 5,280 5,360 5,628 5,896 6,160 6,432 6,720 7,035 7,040 7,370 7,392 7,504 8,040 8,576 8,844 9,240 9,380 9,856 10,318 10,560 10,720 11,055 11,256 11,792 12,320 12,864 13,440 14,070 14,740 14,784 15,008 15,477 16,080 17,688 18,480 18,760 20,636 21,120 21,440 22,110 22,512 23,584 24,640 25,728 25,795 28,140 29,480 29,568 30,016 30,954 32,160 35,376 36,960 37,520 41,272 42,880 44,220 45,024 47,168 49,280 51,590 56,280 58,960 60,032 61,908 64,320 70,752 73,920 75,040 77,385 82,544 88,440 90,048 94,336 103,180 112,560 117,920 123,816 128,640 141,504 147,840 150,080 154,770 165,088 176,880 180,096 206,360 225,120 235,840 247,632 283,008 300,160 309,540 330,176 353,760 412,720 450,240 471,680 495,264 619,080 660,352 707,520 825,440 900,480 990,528 1,238,160 1,415,040 1,650,880 1,981,056 2,476,320 3,301,760 4,952,640 and 9,905,280, with no remainder.

Since 9,905,280 cannot be divided by just 1 and 9,905,280, 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).