Q: Is 21,121,016 a Composite Number?

 A: Yes, 21,121,016 is a composite number.

Why is 21,121,016 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 21,121,016 can be evenly divided by 1 2 4 7 8 14 28 56 137 274 548 959 1,096 1,918 2,753 3,836 5,506 7,672 11,012 19,271 22,024 38,542 77,084 154,168 377,161 754,322 1,508,644 2,640,127 3,017,288 5,280,254 10,560,508 and 21,121,016, with no remainder.

Since 21,121,016 cannot be divided by just 1 and 21,121,016, it is a composite number.


More Examples

Number 21,121,01421,121,01521,121,01721,121,018
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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