Q: Is 4,321,440 a Composite Number?

Why is 4,321,440 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 4,321,440 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1,440 3,001 6,002 9,003 12,004 15,005 18,006 24,008 27,009 30,010 36,012 45,015 48,016 54,018 60,020 72,024 90,030 96,032 108,036 120,040 135,045 144,048 180,060 216,072 240,080 270,090 288,096 360,120 432,144 480,160 540,180 720,240 864,288 1,080,360 1,440,480 2,160,720 and 4,321,440, with no remainder.

Since 4,321,440 cannot be divided by just 1 and 4,321,440, 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).