Q: Is 21,470,176 a Composite Number?

Why is 21,470,176 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 21,470,176 can be evenly divided by 1 2 4 7 8 13 14 16 26 28 32 52 56 73 91 101 104 112 146 182 202 208 224 292 364 404 416 511 584 707 728 808 949 1,022 1,168 1,313 1,414 1,456 1,616 1,898 2,044 2,336 2,626 2,828 2,912 3,232 3,796 4,088 5,252 5,656 6,643 7,373 7,592 8,176 9,191 10,504 11,312 13,286 14,746 15,184 16,352 18,382 21,008 22,624 26,572 29,492 30,368 36,764 42,016 51,611 53,144 58,984 73,528 95,849 103,222 106,288 117,968 147,056 191,698 206,444 212,576 235,936 294,112 383,396 412,888 670,943 766,792 825,776 1,341,886 1,533,584 1,651,552 2,683,772 3,067,168 5,367,544 10,735,088 and 21,470,176, with no remainder.

Since 21,470,176 cannot be divided by just 1 and 21,470,176, 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).