Q: Is 421,840 a Composite Number?

 A: Yes, 421,840 is a composite number.

Why is 421,840 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 421,840 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 5,273 10,546 21,092 26,365 42,184 52,730 84,368 105,460 210,920 and 421,840, with no remainder.

Since 421,840 cannot be divided by just 1 and 421,840, it is a composite number.


More Examples

Number 421,838421,839421,841421,842
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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