Q: Is 4,021,005 a Prime Number?

 A: No, 4,021,005 is not a prime number.

Why is 4,021,005 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 4021005 can be evenly divided by 1 3 5 15 67 201 335 1,005 4,001 12,003 20,005 60,015 268,067 804,201 1,340,335 and 4,021,005, with no remainder.

Since 4,021,005 cannot be divided by just 1 and 4,021,005, it is not a prime number.


More Examples

Number 4,021,0034,021,0044,021,0064,021,007
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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