Q: Is 81,240 a Composite Number?

 A: Yes, 81,240 is a composite number.

Why is 81,240 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 81,240 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 677 1,354 2,031 2,708 3,385 4,062 5,416 6,770 8,124 10,155 13,540 16,248 20,310 27,080 40,620 and 81,240, with no remainder.

Since 81,240 cannot be divided by just 1 and 81,240, it is a composite number.


More Examples

Number 81,23881,23981,24181,242
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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