Q: Is 17,988,720 a Composite Number?

Why is 17,988,720 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 17,988,720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 68 80 85 102 120 136 170 204 240 255 272 340 408 510 680 816 1,020 1,360 2,040 4,080 4,409 8,818 13,227 17,636 22,045 26,454 35,272 44,090 52,908 66,135 70,544 74,953 88,180 105,816 132,270 149,906 176,360 211,632 224,859 264,540 299,812 352,720 374,765 449,718 529,080 599,624 749,530 899,436 1,058,160 1,124,295 1,199,248 1,499,060 1,798,872 2,248,590 2,998,120 3,597,744 4,497,180 5,996,240 8,994,360 and 17,988,720, with no remainder.

Since 17,988,720 cannot be divided by just 1 and 17,988,720, 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).