Q: Is 121,121,208 a Composite Number?

Why is 121,121,208 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 121,121,208 can be evenly divided by 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 234 312 468 936 129,403 258,806 388,209 517,612 776,418 1,035,224 1,164,627 1,552,836 1,682,239 2,329,254 3,105,672 3,364,478 4,658,508 5,046,717 6,728,956 9,317,016 10,093,434 13,457,912 15,140,151 20,186,868 30,280,302 40,373,736 60,560,604 and 121,121,208, with no remainder.

Since 121,121,208 cannot be divided by just 1 and 121,121,208, 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).