Q: Is 2,415,644 a Composite Number?

Why is 2,415,644 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 2,415,644 can be evenly divided by 1 2 4 7 11 14 22 23 28 31 44 46 62 77 92 121 124 154 161 217 242 253 308 322 341 434 484 506 644 682 713 847 868 1,012 1,364 1,426 1,694 1,771 2,387 2,783 2,852 3,388 3,542 3,751 4,774 4,991 5,566 7,084 7,502 7,843 9,548 9,982 11,132 15,004 15,686 19,481 19,964 26,257 31,372 38,962 52,514 54,901 77,924 86,273 105,028 109,802 172,546 219,604 345,092 603,911 1,207,822 and 2,415,644, with no remainder.

Since 2,415,644 cannot be divided by just 1 and 2,415,644, 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).