Q: Is 1,408,005 a Prime Number?

 A: No, 1,408,005 is not a prime number.

Why is 1,408,005 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 1408005 can be evenly divided by 1 3 5 9 15 45 67 201 335 467 603 1,005 1,401 2,335 3,015 4,203 7,005 21,015 31,289 93,867 156,445 281,601 469,335 and 1,408,005, with no remainder.

Since 1,408,005 cannot be divided by just 1 and 1,408,005, it is not a prime number.


More Examples

Number 1,408,0031,408,0041,408,0061,408,007
Prime? nononoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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