Q: Is 1,391,616 a Composite Number?

Why is 1,391,616 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 1,391,616 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 151 192 256 288 302 384 453 512 576 604 768 906 1,024 1,152 1,208 1,359 1,536 1,812 2,304 2,416 2,718 3,072 3,624 4,608 4,832 5,436 7,248 9,216 9,664 10,872 14,496 19,328 21,744 28,992 38,656 43,488 57,984 77,312 86,976 115,968 154,624 173,952 231,936 347,904 463,872 695,808 and 1,391,616, with no remainder.

Since 1,391,616 cannot be divided by just 1 and 1,391,616, 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).