Q: Is 21,357,824 a Composite Number?

 A: Yes, 21,357,824 is a composite number.

Why is 21,357,824 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 21,357,824 can be evenly divided by 1 2 4 8 16 19 32 38 64 76 128 152 256 304 608 1,216 2,432 4,391 4,864 8,782 17,564 35,128 70,256 83,429 140,512 166,858 281,024 333,716 562,048 667,432 1,124,096 1,334,864 2,669,728 5,339,456 10,678,912 and 21,357,824, with no remainder.

Since 21,357,824 cannot be divided by just 1 and 21,357,824, it is a composite number.


More Examples

Number 21,357,82221,357,82321,357,82521,357,826
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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