Q: Is 1,220,688 a Composite Number?

Why is 1,220,688 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 1,220,688 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 49 56 63 72 84 98 112 126 144 147 168 173 196 252 294 336 346 392 441 504 519 588 692 784 882 1,008 1,038 1,176 1,211 1,384 1,557 1,764 2,076 2,352 2,422 2,768 3,114 3,528 3,633 4,152 4,844 6,228 7,056 7,266 8,304 8,477 9,688 10,899 12,456 14,532 16,954 19,376 21,798 24,912 25,431 29,064 33,908 43,596 50,862 58,128 67,816 76,293 87,192 101,724 135,632 152,586 174,384 203,448 305,172 406,896 610,344 and 1,220,688, with no remainder.

Since 1,220,688 cannot be divided by just 1 and 1,220,688, 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).