Q: Is 21,302,208 a Composite Number?

Why is 21,302,208 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 21,302,208 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 64 72 93 96 124 144 186 192 248 279 288 372 496 558 576 744 992 1,116 1,193 1,488 1,984 2,232 2,386 2,976 3,579 4,464 4,772 5,952 7,158 8,928 9,544 10,737 14,316 17,856 19,088 21,474 28,632 36,983 38,176 42,948 57,264 73,966 76,352 85,896 110,949 114,528 147,932 171,792 221,898 229,056 295,864 332,847 343,584 443,796 591,728 665,694 687,168 887,592 1,183,456 1,331,388 1,775,184 2,366,912 2,662,776 3,550,368 5,325,552 7,100,736 10,651,104 and 21,302,208, with no remainder.

Since 21,302,208 cannot be divided by just 1 and 21,302,208, 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).