Q: Is 387,720 a Composite Number?

Why is 387,720 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 387,720 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 359 360 540 718 1,077 1,080 1,436 1,795 2,154 2,872 3,231 3,590 4,308 5,385 6,462 7,180 8,616 9,693 10,770 12,924 14,360 16,155 19,386 21,540 25,848 32,310 38,772 43,080 48,465 64,620 77,544 96,930 129,240 193,860 and 387,720, with no remainder.

Since 387,720 cannot be divided by just 1 and 387,720, 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).