Q: Is 421,525 a Prime Number?

 A: No, 421,525 is not a prime number.

Why is 421,525 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 421525 can be evenly divided by 1 5 13 25 65 325 1,297 6,485 16,861 32,425 84,305 and 421,525, with no remainder.

Since 421,525 cannot be divided by just 1 and 421,525, it is not a prime number.


More Examples

Number 421,523421,524421,526421,527
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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