Q: Is 21,213,875 a Composite Number?

 A: Yes, 21,213,875 is a composite number.

Why is 21,213,875 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 21,213,875 can be evenly divided by 1 5 17 25 67 85 125 149 335 425 745 1,139 1,675 2,125 2,533 3,725 5,695 8,375 9,983 12,665 18,625 28,475 49,915 63,325 142,375 169,711 249,575 316,625 848,555 1,247,875 4,242,775 and 21,213,875, with no remainder.

Since 21,213,875 cannot be divided by just 1 and 21,213,875, it is a composite number.


More Examples

Number 21,213,87321,213,87421,213,87621,213,877
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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