Q: Is 21,506,709 a Composite Number?

 A: Yes, 21,506,709 is a composite number.

Why is 21,506,709 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 21,506,709 can be evenly divided by 1 3 7 21 61 103 163 183 309 427 489 721 1,141 1,281 2,163 3,423 6,283 9,943 16,789 18,849 29,829 43,981 50,367 69,601 117,523 131,943 208,803 352,569 1,024,129 3,072,387 7,168,903 and 21,506,709, with no remainder.

Since 21,506,709 cannot be divided by just 1 and 21,506,709, it is a composite number.


More Examples

Number 21,506,70721,506,70821,506,71021,506,711
Composite? noyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

Explore more about the number 21,506,709:


Ask a Question