Q: Is 1,603,320 a Composite Number?

Why is 1,603,320 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 1,603,320 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 372 431 465 620 744 862 930 1,240 1,293 1,724 1,860 2,155 2,586 3,448 3,720 4,310 5,172 6,465 8,620 10,344 12,930 13,361 17,240 25,860 26,722 40,083 51,720 53,444 66,805 80,166 106,888 133,610 160,332 200,415 267,220 320,664 400,830 534,440 801,660 and 1,603,320, with no remainder.

Since 1,603,320 cannot be divided by just 1 and 1,603,320, 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).