Q: Is 7,700,220 a Composite Number?

Why is 7,700,220 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 7,700,220 can be evenly divided by 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1,980 3,889 7,778 11,667 15,556 19,445 23,334 35,001 38,890 42,779 46,668 58,335 70,002 77,780 85,558 116,670 128,337 140,004 171,116 175,005 213,895 233,340 256,674 350,010 385,011 427,790 513,348 641,685 700,020 770,022 855,580 1,283,370 1,540,044 1,925,055 2,566,740 3,850,110 and 7,700,220, with no remainder.

Since 7,700,220 cannot be divided by just 1 and 7,700,220, 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).