Q: Is 21,742,431 a Composite Number?

 A: Yes, 21,742,431 is a composite number.

Why is 21,742,431 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 21,742,431 can be evenly divided by 1 3 29 83 87 249 2,407 3,011 7,221 9,033 87,319 249,913 261,957 749,739 7,247,477 and 21,742,431, with no remainder.

Since 21,742,431 cannot be divided by just 1 and 21,742,431, it is a composite number.


More Examples

Number 21,742,42921,742,43021,742,43221,742,433
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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