Q: Is 1,224,531 a Composite Number?

Why is 1,224,531 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 1,224,531 can be evenly divided by 1 3 7 9 11 19 21 27 31 33 57 63 77 93 99 133 171 189 209 217 231 279 297 341 399 513 589 627 651 693 837 1,023 1,197 1,463 1,767 1,881 1,953 2,079 2,387 3,069 3,591 4,123 4,389 5,301 5,643 5,859 6,479 7,161 9,207 12,369 13,167 15,903 19,437 21,483 37,107 39,501 45,353 58,311 64,449 111,321 136,059 174,933 408,177 and 1,224,531, with no remainder.

Since 1,224,531 cannot be divided by just 1 and 1,224,531, 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).