Q: Is 18,372,240 a Composite Number?

Why is 18,372,240 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 18,372,240 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 17 18 19 20 24 30 34 36 38 40 45 48 51 57 60 68 72 76 79 80 85 90 95 102 114 120 136 144 152 153 158 170 171 180 190 204 228 237 240 255 272 285 304 306 316 323 340 342 360 380 395 408 456 474 510 570 612 632 646 680 684 711 720 760 765 790 816 855 912 948 969 1,020 1,140 1,185 1,224 1,264 1,292 1,343 1,360 1,368 1,422 1,501 1,520 1,530 1,580 1,615 1,710 1,896 1,938 2,040 2,280 2,370 2,448 2,584 2,686 2,736 2,844 2,907 3,002 3,060 3,160 3,230 3,420 3,555 3,792 3,876 4,029 4,080 4,503 4,560 4,740 4,845 5,168 5,372 5,688 5,814 6,004 6,120 6,320 6,460 6,715 6,840 7,110 7,505 7,752 8,058 9,006 9,480 9,690 10,744 11,376 11,628 12,008 12,087 12,240 12,920 13,430 13,509 13,680 14,220 14,535 15,010 15,504 16,116 18,012 18,960 19,380 20,145 21,488 22,515 23,256 24,016 24,174 25,517 25,840 26,860 27,018 28,440 29,070 30,020 32,232 36,024 38,760 40,290 45,030 46,512 48,348 51,034 53,720 54,036 56,880 58,140 60,040 60,435 64,464 67,545 72,048 76,551 77,520 80,580 90,060 96,696 102,068 107,440 108,072 116,280 120,080 120,870 127,585 135,090 153,102 161,160 180,120 193,392 204,136 216,144 229,653 232,560 241,740 255,170 270,180 306,204 322,320 360,240 382,755 408,272 459,306 483,480 510,340 540,360 612,408 765,510 918,612 966,960 1,020,680 1,080,720 1,148,265 1,224,816 1,531,020 1,837,224 2,041,360 2,296,530 3,062,040 3,674,448 4,593,060 6,124,080 9,186,120 and 18,372,240, with no remainder.

Since 18,372,240 cannot be divided by just 1 and 18,372,240, 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).