Q: Is 2,165,604 a Composite Number?

Why is 2,165,604 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 2,165,604 can be evenly divided by 1 2 3 4 6 7 12 14 21 28 29 42 49 58 84 87 98 116 127 147 174 196 203 254 294 348 381 406 508 588 609 762 812 889 1,218 1,421 1,524 1,778 2,436 2,667 2,842 3,556 3,683 4,263 5,334 5,684 6,223 7,366 8,526 10,668 11,049 12,446 14,732 17,052 18,669 22,098 24,892 25,781 37,338 44,196 51,562 74,676 77,343 103,124 154,686 180,467 309,372 360,934 541,401 721,868 1,082,802 and 2,165,604, with no remainder.

Since 2,165,604 cannot be divided by just 1 and 2,165,604, 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).