Q: Is 78,624 a Composite Number?

Why is 78,624 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 78,624 can be evenly divided by 1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 52 54 56 63 72 78 84 91 96 104 108 112 117 126 144 156 168 182 189 208 216 224 234 252 273 288 312 336 351 364 378 416 432 468 504 546 624 672 702 728 756 819 864 936 1,008 1,092 1,248 1,404 1,456 1,512 1,638 1,872 2,016 2,184 2,457 2,808 2,912 3,024 3,276 3,744 4,368 4,914 5,616 6,048 6,552 8,736 9,828 11,232 13,104 19,656 26,208 39,312 and 78,624, with no remainder.

Since 78,624 cannot be divided by just 1 and 78,624, 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).