Q: Is 381,888 a Composite Number?

Why is 381,888 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 381,888 can be evenly divided by 1 2 3 4 6 8 9 12 13 16 17 18 24 26 27 32 34 36 39 48 51 52 54 64 68 72 78 96 102 104 108 117 136 144 153 156 192 204 208 216 221 234 272 288 306 312 351 408 416 432 442 459 468 544 576 612 624 663 702 816 832 864 884 918 936 1,088 1,224 1,248 1,326 1,404 1,632 1,728 1,768 1,836 1,872 1,989 2,448 2,496 2,652 2,808 3,264 3,536 3,672 3,744 3,978 4,896 5,304 5,616 5,967 7,072 7,344 7,488 7,956 9,792 10,608 11,232 11,934 14,144 14,688 15,912 21,216 22,464 23,868 29,376 31,824 42,432 47,736 63,648 95,472 127,296 190,944 and 381,888, with no remainder.

Since 381,888 cannot be divided by just 1 and 381,888, 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).