Q: Is 21,842,217 a Composite Number?

 A: Yes, 21,842,217 is a composite number.

Why is 21,842,217 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 21,842,217 can be evenly divided by 1 3 9 27 41 81 123 369 1,107 3,321 6,577 19,731 59,193 177,579 269,657 532,737 808,971 2,426,913 7,280,739 and 21,842,217, with no remainder.

Since 21,842,217 cannot be divided by just 1 and 21,842,217, it is a composite number.


More Examples

Number 21,842,21521,842,21621,842,21821,842,219
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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