Q: Is 21,660 a Composite Number?

 A: Yes, 21,660 is a composite number.

Why is 21,660 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 21,660 can be evenly divided by 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 361 380 570 722 1,083 1,140 1,444 1,805 2,166 3,610 4,332 5,415 7,220 10,830 and 21,660, with no remainder.

Since 21,660 cannot be divided by just 1 and 21,660, it is a composite number.


More Examples

Number 21,65821,65921,66121,662
Composite? yesyesnoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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