Q: Is 821,106 a Composite Number?

Why is 821,106 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 821,106 can be evenly divided by 1 2 3 6 9 11 13 18 22 26 29 33 39 58 66 78 87 99 117 121 143 174 198 234 242 261 286 319 363 377 429 522 638 726 754 858 957 1,089 1,131 1,287 1,573 1,914 2,178 2,262 2,574 2,871 3,146 3,393 3,509 4,147 4,719 5,742 6,786 7,018 8,294 9,438 10,527 12,441 14,157 21,054 24,882 28,314 31,581 37,323 45,617 63,162 74,646 91,234 136,851 273,702 410,553 and 821,106, with no remainder.

Since 821,106 cannot be divided by just 1 and 821,106, 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).