Q: Is 7,128,912 a Composite Number?

Why is 7,128,912 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 7,128,912 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 84 98 112 147 168 196 294 336 343 392 433 588 686 784 866 1,029 1,176 1,299 1,372 1,732 2,058 2,352 2,598 2,744 3,031 3,464 4,116 5,196 5,488 6,062 6,928 8,232 9,093 10,392 12,124 16,464 18,186 20,784 21,217 24,248 36,372 42,434 48,496 63,651 72,744 84,868 127,302 145,488 148,519 169,736 254,604 297,038 339,472 445,557 509,208 594,076 891,114 1,018,416 1,188,152 1,782,228 2,376,304 3,564,456 and 7,128,912, with no remainder.

Since 7,128,912 cannot be divided by just 1 and 7,128,912, 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).