Q: Is 8,521,440 a Composite Number?

Why is 8,521,440 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 8,521,440 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 41 48 60 80 82 96 120 123 160 164 205 240 246 328 410 433 480 492 615 656 820 866 984 1,230 1,299 1,312 1,640 1,732 1,968 2,165 2,460 2,598 3,280 3,464 3,936 4,330 4,920 5,196 6,495 6,560 6,928 8,660 9,840 10,392 12,990 13,856 17,320 17,753 19,680 20,784 25,980 34,640 35,506 41,568 51,960 53,259 69,280 71,012 88,765 103,920 106,518 142,024 177,530 207,840 213,036 266,295 284,048 355,060 426,072 532,590 568,096 710,120 852,144 1,065,180 1,420,240 1,704,288 2,130,360 2,840,480 4,260,720 and 8,521,440, with no remainder.

Since 8,521,440 cannot be divided by just 1 and 8,521,440, 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).