Q: Is 1,438,320 a Composite Number?

Why is 1,438,320 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 1,438,320 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 240 260 312 390 461 520 624 780 922 1,040 1,383 1,560 1,844 2,305 2,766 3,120 3,688 4,610 5,532 5,993 6,915 7,376 9,220 11,064 11,986 13,830 17,979 18,440 22,128 23,972 27,660 29,965 35,958 36,880 47,944 55,320 59,930 71,916 89,895 95,888 110,640 119,860 143,832 179,790 239,720 287,664 359,580 479,440 719,160 and 1,438,320, with no remainder.

Since 1,438,320 cannot be divided by just 1 and 1,438,320, 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).