Q: Is 2,005,000 a Prime Number?

 A: No, 2,005,000 is not a prime number.

Why is 2,005,000 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 2005000 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 125 200 250 401 500 625 802 1,000 1,250 1,604 2,005 2,500 3,208 4,010 5,000 8,020 10,025 16,040 20,050 40,100 50,125 80,200 100,250 200,500 250,625 401,000 501,250 1,002,500 and 2,005,000, with no remainder.

Since 2,005,000 cannot be divided by just 1 and 2,005,000, it is not a prime number.


More Examples

Number 2,004,9982,004,9992,005,0012,005,002
Prime? nonoyesno
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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