Q: Is 1,387,780 a Composite Number?

 A: Yes, 1,387,780 is a composite number.

Why is 1,387,780 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 1,387,780 can be evenly divided by 1 2 4 5 10 20 69,389 138,778 277,556 346,945 693,890 and 1,387,780, with no remainder.

Since 1,387,780 cannot be divided by just 1 and 1,387,780, it is a composite number.


More Examples

Number 1,387,7781,387,7791,387,7811,387,782
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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