Q: Is 21,113,136 a Composite Number?

Why is 21,113,136 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 21,113,136 can be evenly divided by 1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 44 48 54 66 72 81 88 99 108 132 144 162 176 198 216 264 297 324 396 432 528 594 648 792 891 1,188 1,296 1,481 1,584 1,782 2,376 2,962 3,564 4,443 4,752 5,924 7,128 8,886 11,848 13,329 14,256 16,291 17,772 23,696 26,658 32,582 35,544 39,987 48,873 53,316 65,164 71,088 79,974 97,746 106,632 119,961 130,328 146,619 159,948 195,492 213,264 239,922 260,656 293,238 319,896 390,984 439,857 479,844 586,476 639,792 781,968 879,714 959,688 1,172,952 1,319,571 1,759,428 1,919,376 2,345,904 2,639,142 3,518,856 5,278,284 7,037,712 10,556,568 and 21,113,136, with no remainder.

Since 21,113,136 cannot be divided by just 1 and 21,113,136, 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).