Q: Is 21,415,030 a Composite Number?

Why is 21,415,030 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 21,415,030 can be evenly divided by 1 2 5 7 10 13 14 26 35 65 70 91 101 130 182 202 233 455 466 505 707 910 1,010 1,165 1,313 1,414 1,631 2,330 2,626 3,029 3,262 3,535 6,058 6,565 7,070 8,155 9,191 13,130 15,145 16,310 18,382 21,203 23,533 30,290 42,406 45,955 47,066 91,910 106,015 117,665 164,731 212,030 235,330 305,929 329,462 611,858 823,655 1,529,645 1,647,310 2,141,503 3,059,290 4,283,006 10,707,515 and 21,415,030, with no remainder.

Since 21,415,030 cannot be divided by just 1 and 21,415,030, 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).