Q: Is 3,138,816 a Composite Number?

Why is 3,138,816 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 3,138,816 can be evenly divided by 1 2 3 4 6 8 12 16 24 32 48 61 64 67 96 122 128 134 183 192 201 244 256 268 366 384 402 488 536 732 768 804 976 1,072 1,464 1,608 1,952 2,144 2,928 3,216 3,904 4,087 4,288 5,856 6,432 7,808 8,174 8,576 11,712 12,261 12,864 15,616 16,348 17,152 23,424 24,522 25,728 32,696 46,848 49,044 51,456 65,392 98,088 130,784 196,176 261,568 392,352 523,136 784,704 1,046,272 1,569,408 and 3,138,816, with no remainder.

Since 3,138,816 cannot be divided by just 1 and 3,138,816, 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).