Q: Is 1,409,724 a Composite Number?

Why is 1,409,724 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 1,409,724 can be evenly divided by 1 2 3 4 6 9 12 18 19 27 36 38 54 57 76 81 108 114 162 171 228 229 324 342 458 513 684 687 916 1,026 1,374 1,539 2,052 2,061 2,748 3,078 4,122 4,351 6,156 6,183 8,244 8,702 12,366 13,053 17,404 18,549 24,732 26,106 37,098 39,159 52,212 74,196 78,318 117,477 156,636 234,954 352,431 469,908 704,862 and 1,409,724, with no remainder.

Since 1,409,724 cannot be divided by just 1 and 1,409,724, 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).