Q: Is 384,720 a Composite Number?

Why is 384,720 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 384,720 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 229 240 280 336 420 458 560 687 840 916 1,145 1,374 1,603 1,680 1,832 2,290 2,748 3,206 3,435 3,664 4,580 4,809 5,496 6,412 6,870 8,015 9,160 9,618 10,992 12,824 13,740 16,030 18,320 19,236 24,045 25,648 27,480 32,060 38,472 48,090 54,960 64,120 76,944 96,180 128,240 192,360 and 384,720, with no remainder.

Since 384,720 cannot be divided by just 1 and 384,720, 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).