Q: Is 21,131,120 a Composite Number?

 A: Yes, 21,131,120 is a composite number.

Why is 21,131,120 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 21,131,120 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 264,139 528,278 1,056,556 1,320,695 2,113,112 2,641,390 4,226,224 5,282,780 10,565,560 and 21,131,120, with no remainder.

Since 21,131,120 cannot be divided by just 1 and 21,131,120, it is a composite number.


More Examples

Number 21,131,11821,131,11921,131,12121,131,122
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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