Q: Is 40,000,040 a Prime Number?

 A: No, 40,000,040 is not a prime number.

Why is 40,000,040 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 40000040 can be evenly divided by 1 2 4 5 8 10 20 40 101 202 404 505 808 1,010 2,020 4,040 9,901 19,802 39,604 49,505 79,208 99,010 198,020 396,040 1,000,001 2,000,002 4,000,004 5,000,005 8,000,008 10,000,010 20,000,020 and 40,000,040, with no remainder.

Since 40,000,040 cannot be divided by just 1 and 40,000,040, it is not a prime number.


More Examples

Number 40,000,03840,000,03940,000,04140,000,042
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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