Q: Is 21,001,040 a Composite Number?

 A: Yes, 21,001,040 is a composite number.

Why is 21,001,040 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 21,001,040 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 262,513 525,026 1,050,052 1,312,565 2,100,104 2,625,130 4,200,208 5,250,260 10,500,520 and 21,001,040, with no remainder.

Since 21,001,040 cannot be divided by just 1 and 21,001,040, it is a composite number.


More Examples

Number 21,001,03821,001,03921,001,04121,001,042
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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