Q: Is 421,923 a Prime Number?

 A: No, 421,923 is not a prime number.

Why is 421,923 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 421923 can be evenly divided by 1 3 17 51 8,273 24,819 140,641 and 421,923, with no remainder.

Since 421,923 cannot be divided by just 1 and 421,923, it is not a prime number.


More Examples

Number 421,921421,922421,924421,925
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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