Q: Is 1,720,021 a Prime Number?

 A: No, 1,720,021 is not a prime number.

Why is 1,720,021 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 1720021 can be evenly divided by 1 1,069 1,609 and 1,720,021, with no remainder.

Since 1,720,021 cannot be divided by just 1 and 1,720,021, it is not a prime number.


More Examples

Number 1,720,0191,720,0201,720,0221,720,023
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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