Q: Is 20,207,670 a Composite Number?

Why is 20,207,670 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 20,207,670 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 30 35 41 42 70 82 105 123 205 210 246 287 410 574 615 861 1,230 1,435 1,722 2,347 2,870 4,305 4,694 7,041 8,610 11,735 14,082 16,429 23,470 32,858 35,205 49,287 70,410 82,145 96,227 98,574 164,290 192,454 246,435 288,681 481,135 492,870 577,362 673,589 962,270 1,347,178 1,443,405 2,020,767 2,886,810 3,367,945 4,041,534 6,735,890 10,103,835 and 20,207,670, with no remainder.

Since 20,207,670 cannot be divided by just 1 and 20,207,670, 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).