Q: Is 1,211,210 a Composite Number?

Why is 1,211,210 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 1,211,210 can be evenly divided by 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 121 130 143 154 182 242 286 385 455 605 715 770 847 910 1,001 1,210 1,331 1,430 1,573 1,694 2,002 2,662 3,146 4,235 5,005 6,655 7,865 8,470 9,317 10,010 11,011 13,310 15,730 17,303 18,634 22,022 34,606 46,585 55,055 86,515 93,170 110,110 121,121 173,030 242,242 605,605 and 1,211,210, with no remainder.

Since 1,211,210 cannot be divided by just 1 and 1,211,210, 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).