Q: Is 21,218,625 a Composite Number?

 A: Yes, 21,218,625 is a composite number.

Why is 21,218,625 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 21,218,625 can be evenly divided by 1 3 5 9 15 25 27 45 75 125 135 225 375 675 1,125 3,375 6,287 18,861 31,435 56,583 94,305 157,175 169,749 282,915 471,525 785,875 848,745 1,414,575 2,357,625 4,243,725 7,072,875 and 21,218,625, with no remainder.

Since 21,218,625 cannot be divided by just 1 and 21,218,625, it is a composite number.


More Examples

Number 21,218,62321,218,62421,218,62621,218,627
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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