Q: Is 21,423,025 a Composite Number?

 A: Yes, 21,423,025 is a composite number.

Why is 21,423,025 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 21,423,025 can be evenly divided by 1 5 13 25 29 65 145 325 377 725 1,885 2,273 9,425 11,365 29,549 56,825 65,917 147,745 329,585 738,725 856,921 1,647,925 4,284,605 and 21,423,025, with no remainder.

Since 21,423,025 cannot be divided by just 1 and 21,423,025, it is a composite number.


More Examples

Number 21,423,02321,423,02421,423,02621,423,027
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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