Q: Is 7,686,720 a Composite Number?

Why is 7,686,720 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 7,686,720 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 32 34 36 40 45 48 51 60 64 68 72 80 85 90 96 102 120 136 144 153 157 160 170 180 192 204 240 255 272 288 306 314 320 340 360 408 471 480 510 544 576 612 628 680 720 765 785 816 942 960 1,020 1,088 1,224 1,256 1,360 1,413 1,440 1,530 1,570 1,632 1,884 2,040 2,355 2,448 2,512 2,669 2,720 2,826 2,880 3,060 3,140 3,264 3,768 4,080 4,710 4,896 5,024 5,338 5,440 5,652 6,120 6,280 7,065 7,536 8,007 8,160 9,420 9,792 10,048 10,676 11,304 12,240 12,560 13,345 14,130 15,072 16,014 16,320 18,840 21,352 22,608 24,021 24,480 25,120 26,690 28,260 30,144 32,028 37,680 40,035 42,704 45,216 48,042 48,960 50,240 53,380 56,520 64,056 75,360 80,070 85,408 90,432 96,084 106,760 113,040 120,105 128,112 150,720 160,140 170,816 192,168 213,520 226,080 240,210 256,224 320,280 384,336 427,040 452,160 480,420 512,448 640,560 768,672 854,080 960,840 1,281,120 1,537,344 1,921,680 2,562,240 3,843,360 and 7,686,720, with no remainder.

Since 7,686,720 cannot be divided by just 1 and 7,686,720, 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).