Q: Is 21,893,328 a Composite Number?

Why is 21,893,328 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 21,893,328 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 432 486 648 729 972 1,296 1,458 1,877 1,944 2,916 3,754 3,888 5,631 5,832 7,508 11,262 11,664 15,016 16,893 22,524 30,032 33,786 45,048 50,679 67,572 90,096 101,358 135,144 152,037 202,716 270,288 304,074 405,432 456,111 608,148 810,864 912,222 1,216,296 1,368,333 1,824,444 2,432,592 2,736,666 3,648,888 5,473,332 7,297,776 10,946,664 and 21,893,328, with no remainder.

Since 21,893,328 cannot be divided by just 1 and 21,893,328, 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).