Q: Is 21,042,124 a Composite Number?

 A: Yes, 21,042,124 is a composite number.

Why is 21,042,124 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 21,042,124 can be evenly divided by 1 2 4 17 34 68 79 158 316 1,343 2,686 3,917 5,372 7,834 15,668 66,589 133,178 266,356 309,443 618,886 1,237,772 5,260,531 10,521,062 and 21,042,124, with no remainder.

Since 21,042,124 cannot be divided by just 1 and 21,042,124, it is a composite number.


More Examples

Number 21,042,12221,042,12321,042,12521,042,126
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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