Q: Is 1,529,385 a Composite Number?

Why is 1,529,385 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 1,529,385 can be evenly divided by 1 3 5 11 13 15 23 31 33 39 55 65 69 93 115 143 155 165 195 253 299 341 345 403 429 465 713 715 759 897 1,023 1,209 1,265 1,495 1,705 2,015 2,139 2,145 3,289 3,565 3,795 4,433 4,485 5,115 6,045 7,843 9,269 9,867 10,695 13,299 16,445 22,165 23,529 27,807 39,215 46,345 49,335 66,495 101,959 117,645 139,035 305,877 509,795 and 1,529,385, with no remainder.

Since 1,529,385 cannot be divided by just 1 and 1,529,385, 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).