Q: Is 20,886,960 a Composite Number?

Why is 20,886,960 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 20,886,960 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 40 48 58 60 80 87 116 120 145 174 232 240 290 348 435 464 580 696 870 1,160 1,392 1,740 2,320 3,001 3,480 6,002 6,960 9,003 12,004 15,005 18,006 24,008 30,010 36,012 45,015 48,016 60,020 72,024 87,029 90,030 120,040 144,048 174,058 180,060 240,080 261,087 348,116 360,120 435,145 522,174 696,232 720,240 870,290 1,044,348 1,305,435 1,392,464 1,740,580 2,088,696 2,610,870 3,481,160 4,177,392 5,221,740 6,962,320 10,443,480 and 20,886,960, with no remainder.

Since 20,886,960 cannot be divided by just 1 and 20,886,960, 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).