Q: Is 21,221,000 a Composite Number?

 A: Yes, 21,221,000 is a composite number.

Why is 21,221,000 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 21,221,000 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1,000 21,221 42,442 84,884 106,105 169,768 212,210 424,420 530,525 848,840 1,061,050 2,122,100 2,652,625 4,244,200 5,305,250 10,610,500 and 21,221,000, with no remainder.

Since 21,221,000 cannot be divided by just 1 and 21,221,000, it is a composite number.


More Examples

Number 21,220,99821,220,99921,221,00121,221,002
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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