Q: Is 1,621,001 a Prime Number?

 A: No, 1,621,001 is not a prime number.

Why is 1,621,001 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 1621001 can be evenly divided by 1 17 71 79 289 1,207 1,343 5,609 20,519 22,831 95,353 and 1,621,001, with no remainder.

Since 1,621,001 cannot be divided by just 1 and 1,621,001, it is not a prime number.


More Examples

Number 1,620,9991,621,0001,621,0021,621,003
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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