Q: Is 20,213,136 a Composite Number?

Why is 20,213,136 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 20,213,136 can be evenly divided by 1 2 3 4 6 8 9 12 16 17 18 23 24 34 36 46 48 51 68 69 72 92 102 136 138 144 153 184 204 207 272 276 306 359 368 391 408 414 552 612 718 782 816 828 1,077 1,104 1,173 1,224 1,436 1,564 1,656 2,154 2,346 2,448 2,872 3,128 3,231 3,312 3,519 4,308 4,692 5,744 6,103 6,256 6,462 7,038 8,257 8,616 9,384 12,206 12,924 14,076 16,514 17,232 18,309 18,768 24,412 24,771 25,848 28,152 33,028 36,618 48,824 49,542 51,696 54,927 56,304 66,056 73,236 74,313 97,648 99,084 109,854 132,112 140,369 146,472 148,626 198,168 219,708 280,738 292,944 297,252 396,336 421,107 439,416 561,476 594,504 842,214 878,832 1,122,952 1,189,008 1,263,321 1,684,428 2,245,904 2,526,642 3,368,856 5,053,284 6,737,712 10,106,568 and 20,213,136, with no remainder.

Since 20,213,136 cannot be divided by just 1 and 20,213,136, 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).