Q: Is 7,920,720 a Composite Number?

Why is 7,920,720 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 7,920,720 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 30 36 38 40 45 48 54 57 60 72 76 80 90 95 108 114 120 135 144 152 171 180 190 193 216 228 240 270 285 304 342 360 380 386 432 456 513 540 570 579 684 720 760 772 855 912 965 1,026 1,080 1,140 1,158 1,368 1,520 1,544 1,710 1,737 1,930 2,052 2,160 2,280 2,316 2,565 2,736 2,895 3,088 3,420 3,474 3,667 3,860 4,104 4,560 4,632 5,130 5,211 5,790 6,840 6,948 7,334 7,720 8,208 8,685 9,264 10,260 10,422 11,001 11,580 13,680 13,896 14,668 15,440 17,370 18,335 20,520 20,844 22,002 23,160 26,055 27,792 29,336 33,003 34,740 36,670 41,040 41,688 44,004 46,320 52,110 55,005 58,672 66,006 69,480 73,340 83,376 88,008 99,009 104,220 110,010 132,012 138,960 146,680 165,015 176,016 198,018 208,440 220,020 264,024 293,360 330,030 396,036 416,880 440,040 495,045 528,048 660,060 792,072 880,080 990,090 1,320,120 1,584,144 1,980,180 2,640,240 3,960,360 and 7,920,720, with no remainder.

Since 7,920,720 cannot be divided by just 1 and 7,920,720, 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).