Q: Is 640 a Composite Number?

 A: Yes, 640 is a composite number.

Why is 640 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 640 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 and 640, with no remainder.

Since 640 cannot be divided by just 1 and 640, it is a composite number.


More Examples

Number 638639641642
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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