Q: Is 21,100,032 a Composite Number?

Why is 21,100,032 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 21,100,032 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 128 144 152 171 192 228 241 256 288 304 342 384 456 482 512 576 608 684 723 768 912 964 1,152 1,216 1,368 1,446 1,536 1,824 1,928 2,169 2,304 2,432 2,736 2,892 3,648 3,856 4,338 4,579 4,608 4,864 5,472 5,784 7,296 7,712 8,676 9,158 9,728 10,944 11,568 13,737 14,592 15,424 17,352 18,316 21,888 23,136 27,474 29,184 30,848 34,704 36,632 41,211 43,776 46,272 54,948 61,696 69,408 73,264 82,422 87,552 92,544 109,896 123,392 138,816 146,528 164,844 185,088 219,792 277,632 293,056 329,688 370,176 439,584 555,264 586,112 659,376 879,168 1,110,528 1,172,224 1,318,752 1,758,336 2,344,448 2,637,504 3,516,672 5,275,008 7,033,344 10,550,016 and 21,100,032, with no remainder.

Since 21,100,032 cannot be divided by just 1 and 21,100,032, 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).