Q: Is 4,809,728 a Composite Number?

Why is 4,809,728 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 4,809,728 can be evenly divided by 1 2 4 7 8 11 14 16 22 28 32 44 56 61 64 77 88 112 122 128 154 176 224 244 256 308 352 427 448 488 512 616 671 704 854 896 976 1,024 1,232 1,342 1,408 1,708 1,792 1,952 2,464 2,684 2,816 3,416 3,584 3,904 4,697 4,928 5,368 5,632 6,832 7,168 7,808 9,394 9,856 10,736 11,264 13,664 15,616 18,788 19,712 21,472 27,328 31,232 37,576 39,424 42,944 54,656 62,464 75,152 78,848 85,888 109,312 150,304 171,776 218,624 300,608 343,552 437,248 601,216 687,104 1,202,432 2,404,864 and 4,809,728, with no remainder.

Since 4,809,728 cannot be divided by just 1 and 4,809,728, 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).