Q: Is 550,550 a Composite Number?

Why is 550,550 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 550,550 can be evenly divided by 1 2 5 7 10 11 13 14 22 25 26 35 50 55 65 70 77 91 110 121 130 143 154 175 182 242 275 286 325 350 385 455 550 605 650 715 770 847 910 1,001 1,210 1,430 1,573 1,694 1,925 2,002 2,275 3,025 3,146 3,575 3,850 4,235 4,550 5,005 6,050 7,150 7,865 8,470 10,010 11,011 15,730 21,175 22,022 25,025 39,325 42,350 50,050 55,055 78,650 110,110 275,275 and 550,550, with no remainder.

Since 550,550 cannot be divided by just 1 and 550,550, 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).