Q: Is 21,002,120 a Composite Number?

 A: Yes, 21,002,120 is a composite number.

Why is 21,002,120 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 21,002,120 can be evenly divided by 1 2 4 5 8 10 20 40 109 218 436 545 872 1,090 2,180 4,360 4,817 9,634 19,268 24,085 38,536 48,170 96,340 192,680 525,053 1,050,106 2,100,212 2,625,265 4,200,424 5,250,530 10,501,060 and 21,002,120, with no remainder.

Since 21,002,120 cannot be divided by just 1 and 21,002,120, it is a composite number.


More Examples

Number 21,002,11821,002,11921,002,12121,002,122
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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