Q: Is 2,721,888 a Composite Number?

Why is 2,721,888 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 2,721,888 can be evenly divided by 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 208 234 288 312 416 468 624 727 936 1,248 1,454 1,872 2,181 2,908 3,744 4,362 5,816 6,543 8,724 9,451 11,632 13,086 17,448 18,902 23,264 26,172 28,353 34,896 37,804 52,344 56,706 69,792 75,608 85,059 104,688 113,412 151,216 170,118 209,376 226,824 302,432 340,236 453,648 680,472 907,296 1,360,944 and 2,721,888, with no remainder.

Since 2,721,888 cannot be divided by just 1 and 2,721,888, 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).