Q: Is 121,121,650 a Composite Number?

Why is 121,121,650 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 121,121,650 can be evenly divided by 1 2 5 10 13 25 26 31 50 62 65 130 155 310 325 403 650 775 806 1,550 2,015 4,030 6,011 10,075 12,022 20,150 30,055 60,110 78,143 150,275 156,286 186,341 300,550 372,682 390,715 781,430 931,705 1,863,410 1,953,575 2,422,433 3,907,150 4,658,525 4,844,866 9,317,050 12,112,165 24,224,330 60,560,825 and 121,121,650, with no remainder.

Since 121,121,650 cannot be divided by just 1 and 121,121,650, 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).