Q: Is 21,520,420 a Composite Number?

 A: Yes, 21,520,420 is a composite number.

Why is 21,520,420 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 21,520,420 can be evenly divided by 1 2 4 5 10 20 97 194 388 485 970 1,940 11,093 22,186 44,372 55,465 110,930 221,860 1,076,021 2,152,042 4,304,084 5,380,105 10,760,210 and 21,520,420, with no remainder.

Since 21,520,420 cannot be divided by just 1 and 21,520,420, it is a composite number.


More Examples

Number 21,520,41821,520,41921,520,42121,520,422
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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