Q: Is 2,163,240 a Composite Number?

Why is 2,163,240 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 2,163,240 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1,080 2,003 4,006 6,009 8,012 10,015 12,018 16,024 18,027 20,030 24,036 30,045 36,054 40,060 48,072 54,081 60,090 72,108 80,120 90,135 108,162 120,180 144,216 180,270 216,324 240,360 270,405 360,540 432,648 540,810 721,080 1,081,620 and 2,163,240, with no remainder.

Since 2,163,240 cannot be divided by just 1 and 2,163,240, 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).