Q: Is 1,230,720 a Composite Number?

Why is 1,230,720 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 1,230,720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 641 960 1,282 1,920 1,923 2,564 3,205 3,846 5,128 6,410 7,692 9,615 10,256 12,820 15,384 19,230 20,512 25,640 30,768 38,460 41,024 51,280 61,536 76,920 82,048 102,560 123,072 153,840 205,120 246,144 307,680 410,240 615,360 and 1,230,720, with no remainder.

Since 1,230,720 cannot be divided by just 1 and 1,230,720, 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).