Q: Is 1,605,552 a Composite Number?

Why is 1,605,552 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 1,605,552 can be evenly divided by 1 2 3 4 6 8 12 13 16 24 26 31 39 48 52 62 78 83 93 104 124 156 166 186 208 248 249 312 332 372 403 496 498 624 664 744 806 996 1,079 1,209 1,328 1,488 1,612 1,992 2,158 2,418 2,573 3,224 3,237 3,984 4,316 4,836 5,146 6,448 6,474 7,719 8,632 9,672 10,292 12,948 15,438 17,264 19,344 20,584 25,896 30,876 33,449 41,168 51,792 61,752 66,898 100,347 123,504 133,796 200,694 267,592 401,388 535,184 802,776 and 1,605,552, with no remainder.

Since 1,605,552 cannot be divided by just 1 and 1,605,552, 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).