Q: Is 2,157,232 a Composite Number?

Why is 2,157,232 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 2,157,232 can be evenly divided by 1 2 4 7 8 11 14 16 17 22 28 34 44 56 68 77 88 103 112 119 136 154 176 187 206 238 272 308 374 412 476 616 721 748 824 952 1,133 1,232 1,309 1,442 1,496 1,648 1,751 1,904 2,266 2,618 2,884 2,992 3,502 4,532 5,236 5,768 7,004 7,931 9,064 10,472 11,536 12,257 14,008 15,862 18,128 19,261 20,944 24,514 28,016 31,724 38,522 49,028 63,448 77,044 98,056 126,896 134,827 154,088 196,112 269,654 308,176 539,308 1,078,616 and 2,157,232, with no remainder.

Since 2,157,232 cannot be divided by just 1 and 2,157,232, 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).