Q: Is 21,384 a Composite Number?

 A: Yes, 21,384 is a composite number.

Why is 21,384 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 21,384 can be evenly divided by 1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 81 88 99 108 132 162 198 216 243 264 297 324 396 486 594 648 792 891 972 1,188 1,782 1,944 2,376 2,673 3,564 5,346 7,128 10,692 and 21,384, with no remainder.

Since 21,384 cannot be divided by just 1 and 21,384, it is a composite number.


More Examples

Number 21,38221,38321,38521,386
Composite? yesnoyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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