Q: Is 21,423,431 a Composite Number?

 A: Yes, 21,423,431 is a composite number.

Why is 21,423,431 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 21,423,431 can be evenly divided by 1 19 29 59 551 659 1,121 1,711 12,521 19,111 32,509 38,881 363,109 738,739 1,127,549 and 21,423,431, with no remainder.

Since 21,423,431 cannot be divided by just 1 and 21,423,431, it is a composite number.


More Examples

Number 21,423,42921,423,43021,423,43221,423,433
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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