Q: Is 1,872,540 a Composite Number?

Why is 1,872,540 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 1,872,540 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 101 103 180 202 206 303 309 404 412 505 515 606 618 909 927 1,010 1,030 1,212 1,236 1,515 1,545 1,818 1,854 2,020 2,060 3,030 3,090 3,636 3,708 4,545 4,635 6,060 6,180 9,090 9,270 10,403 18,180 18,540 20,806 31,209 41,612 52,015 62,418 93,627 104,030 124,836 156,045 187,254 208,060 312,090 374,508 468,135 624,180 936,270 and 1,872,540, with no remainder.

Since 1,872,540 cannot be divided by just 1 and 1,872,540, 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).