Q: Is 4,321,920 a Composite Number?

Why is 4,321,920 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 4,321,920 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 96 120 128 160 192 240 320 384 480 640 960 1,920 2,251 4,502 6,753 9,004 11,255 13,506 18,008 22,510 27,012 33,765 36,016 45,020 54,024 67,530 72,032 90,040 108,048 135,060 144,064 180,080 216,096 270,120 288,128 360,160 432,192 540,240 720,320 864,384 1,080,480 1,440,640 2,160,960 and 4,321,920, with no remainder.

Since 4,321,920 cannot be divided by just 1 and 4,321,920, 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).