Q: Is 1,542,240 a Composite Number?

Why is 1,542,240 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 1,542,240 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 27 28 30 32 34 35 36 40 42 45 48 51 54 56 60 63 68 70 72 80 81 84 85 90 96 102 105 108 112 119 120 126 135 136 140 144 153 160 162 168 170 180 189 204 210 216 224 238 240 252 255 270 272 280 288 306 315 324 336 340 357 360 378 405 408 420 432 459 476 480 504 510 540 544 560 567 595 612 630 648 672 680 714 720 756 765 810 816 840 864 918 945 952 1,008 1,020 1,071 1,080 1,120 1,134 1,190 1,224 1,260 1,296 1,360 1,377 1,428 1,440 1,512 1,530 1,620 1,632 1,680 1,785 1,836 1,890 1,904 2,016 2,040 2,142 2,160 2,268 2,295 2,380 2,448 2,520 2,592 2,720 2,754 2,835 2,856 3,024 3,060 3,213 3,240 3,360 3,570 3,672 3,780 3,808 4,080 4,284 4,320 4,536 4,590 4,760 4,896 5,040 5,355 5,508 5,670 5,712 6,048 6,120 6,426 6,480 6,885 7,140 7,344 7,560 8,160 8,568 9,072 9,180 9,520 9,639 10,080 10,710 11,016 11,340 11,424 12,240 12,852 12,960 13,770 14,280 14,688 15,120 16,065 17,136 18,144 18,360 19,040 19,278 21,420 22,032 22,680 24,480 25,704 27,540 28,560 30,240 32,130 34,272 36,720 38,556 42,840 44,064 45,360 48,195 51,408 55,080 57,120 64,260 73,440 77,112 85,680 90,720 96,390 102,816 110,160 128,520 154,224 171,360 192,780 220,320 257,040 308,448 385,560 514,080 771,120 and 1,542,240, with no remainder.

Since 1,542,240 cannot be divided by just 1 and 1,542,240, 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).