Q: Is 1,563,624 a Composite Number?

Why is 1,563,624 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 1,563,624 can be evenly divided by 1 2 3 4 6 8 9 12 18 19 24 27 36 38 54 57 72 76 81 108 114 127 152 162 171 216 228 254 324 342 381 456 508 513 648 684 762 1,016 1,026 1,143 1,368 1,524 1,539 2,052 2,286 2,413 3,048 3,078 3,429 4,104 4,572 4,826 6,156 6,858 7,239 9,144 9,652 10,287 12,312 13,716 14,478 19,304 20,574 21,717 27,432 28,956 41,148 43,434 57,912 65,151 82,296 86,868 130,302 173,736 195,453 260,604 390,906 521,208 781,812 and 1,563,624, with no remainder.

Since 1,563,624 cannot be divided by just 1 and 1,563,624, 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).