Q: Is 7,218,744 a Composite Number?

Why is 7,218,744 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 7,218,744 can be evenly divided by 1 2 3 4 6 8 12 13 17 24 26 34 39 51 52 68 78 102 104 136 156 204 221 312 408 442 663 884 1,326 1,361 1,768 2,652 2,722 4,083 5,304 5,444 8,166 10,888 16,332 17,693 23,137 32,664 35,386 46,274 53,079 69,411 70,772 92,548 106,158 138,822 141,544 185,096 212,316 277,644 300,781 424,632 555,288 601,562 902,343 1,203,124 1,804,686 2,406,248 3,609,372 and 7,218,744, with no remainder.

Since 7,218,744 cannot be divided by just 1 and 7,218,744, 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).