Q: Is 7,812,126 a Composite Number?

Why is 7,812,126 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 7,812,126 can be evenly divided by 1 2 3 6 7 9 14 18 21 27 42 54 63 81 83 126 162 166 189 249 378 498 567 581 747 1,134 1,162 1,494 1,743 2,241 3,486 4,482 5,229 6,723 6,889 10,458 13,446 13,778 15,687 20,667 31,374 41,334 47,061 48,223 62,001 94,122 96,446 124,002 144,669 186,003 289,338 372,006 434,007 558,009 868,014 1,116,018 1,302,021 2,604,042 3,906,063 and 7,812,126, with no remainder.

Since 7,812,126 cannot be divided by just 1 and 7,812,126, 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).