Q: Is 21,312 a Composite Number?

 A: Yes, 21,312 is a composite number.

Why is 21,312 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 21,312 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 32 36 37 48 64 72 74 96 111 144 148 192 222 288 296 333 444 576 592 666 888 1,184 1,332 1,776 2,368 2,664 3,552 5,328 7,104 10,656 and 21,312, with no remainder.

Since 21,312 cannot be divided by just 1 and 21,312, it is a composite number.


More Examples

Number 21,31021,31121,31321,314
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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