Q: Is 409,728 a Composite Number?

Why is 409,728 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 409,728 can be evenly divided by 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 97 128 132 176 192 194 264 291 352 384 388 528 582 704 776 1,056 1,067 1,164 1,408 1,552 2,112 2,134 2,328 3,104 3,201 4,224 4,268 4,656 6,208 6,402 8,536 9,312 12,416 12,804 17,072 18,624 25,608 34,144 37,248 51,216 68,288 102,432 136,576 204,864 and 409,728, with no remainder.

Since 409,728 cannot be divided by just 1 and 409,728, 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).