Q: Is 21,371,409 a Composite Number?

 A: Yes, 21,371,409 is a composite number.

Why is 21,371,409 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 21,371,409 can be evenly divided by 1 3 9 19 57 171 124,979 374,937 1,124,811 2,374,601 7,123,803 and 21,371,409, with no remainder.

Since 21,371,409 cannot be divided by just 1 and 21,371,409, it is a composite number.


More Examples

Number 21,371,40721,371,40821,371,41021,371,411
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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