Q: Is 21,400,431 a Composite Number?

 A: Yes, 21,400,431 is a composite number.

Why is 21,400,431 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 21,400,431 can be evenly divided by 1 3 13 39 97 291 1,261 3,783 5,657 16,971 73,541 220,623 548,729 1,646,187 7,133,477 and 21,400,431, with no remainder.

Since 21,400,431 cannot be divided by just 1 and 21,400,431, it is a composite number.


More Examples

Number 21,400,42921,400,43021,400,43221,400,433
Composite? noyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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