Q: Is 1,121,760 a Composite Number?

Why is 1,121,760 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 1,121,760 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 32 36 38 40 41 45 48 57 60 72 76 80 82 90 95 96 114 120 123 144 152 160 164 171 180 190 205 228 240 246 285 288 304 328 342 360 369 380 410 456 480 492 570 608 615 656 684 720 738 760 779 820 855 912 984 1,140 1,230 1,312 1,368 1,440 1,476 1,520 1,558 1,640 1,710 1,824 1,845 1,968 2,280 2,337 2,460 2,736 2,952 3,040 3,116 3,280 3,420 3,690 3,895 3,936 4,560 4,674 4,920 5,472 5,904 6,232 6,560 6,840 7,011 7,380 7,790 9,120 9,348 9,840 11,685 11,808 12,464 13,680 14,022 14,760 15,580 18,696 19,680 23,370 24,928 27,360 28,044 29,520 31,160 35,055 37,392 46,740 56,088 59,040 62,320 70,110 74,784 93,480 112,176 124,640 140,220 186,960 224,352 280,440 373,920 560,880 and 1,121,760, with no remainder.

Since 1,121,760 cannot be divided by just 1 and 1,121,760, 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).