Q: Is 1,440,648 a Composite Number?

Why is 1,440,648 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 1,440,648 can be evenly divided by 1 2 3 4 6 8 9 11 12 17 18 22 24 33 34 36 44 51 66 68 72 88 99 102 107 132 136 153 187 198 204 214 264 306 321 374 396 408 428 561 612 642 748 792 856 963 1,122 1,177 1,224 1,284 1,496 1,683 1,819 1,926 2,244 2,354 2,568 3,366 3,531 3,638 3,852 4,488 4,708 5,457 6,732 7,062 7,276 7,704 9,416 10,593 10,914 13,464 14,124 14,552 16,371 20,009 21,186 21,828 28,248 32,742 40,018 42,372 43,656 60,027 65,484 80,036 84,744 120,054 130,968 160,072 180,081 240,108 360,162 480,216 720,324 and 1,440,648, with no remainder.

Since 1,440,648 cannot be divided by just 1 and 1,440,648, 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).