Q: Is 21,267,015 a Composite Number?

 A: Yes, 21,267,015 is a composite number.

Why is 21,267,015 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 21,267,015 can be evenly divided by 1 3 5 7 11 15 21 33 35 55 77 105 165 231 385 1,155 18,413 55,239 92,065 128,891 202,543 276,195 386,673 607,629 644,455 1,012,715 1,417,801 1,933,365 3,038,145 4,253,403 7,089,005 and 21,267,015, with no remainder.

Since 21,267,015 cannot be divided by just 1 and 21,267,015, it is a composite number.


More Examples

Number 21,267,01321,267,01421,267,01621,267,017
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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