Q: Is 121,305,408 a Composite Number?

Why is 121,305,408 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 121,305,408 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 43 48 56 64 84 86 96 112 129 168 172 192 224 258 301 336 344 448 516 602 672 688 903 1,032 1,204 1,344 1,376 1,806 2,064 2,099 2,408 2,752 3,612 4,128 4,198 4,816 6,297 7,224 8,256 8,396 9,632 12,594 14,448 14,693 16,792 19,264 25,188 28,896 29,386 33,584 44,079 50,376 57,792 58,772 67,168 88,158 90,257 100,752 117,544 134,336 176,316 180,514 201,504 235,088 270,771 352,632 361,028 403,008 470,176 541,542 631,799 705,264 722,056 940,352 1,083,084 1,263,598 1,410,528 1,444,112 1,895,397 2,166,168 2,527,196 2,821,056 2,888,224 3,790,794 4,332,336 5,054,392 5,776,448 7,581,588 8,664,672 10,108,784 15,163,176 17,329,344 20,217,568 30,326,352 40,435,136 60,652,704 and 121,305,408, with no remainder.

Since 121,305,408 cannot be divided by just 1 and 121,305,408, 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).