Q: Is 1,500,005 a Prime Number?

 A: No, 1,500,005 is not a prime number.

Why is 1,500,005 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 1500005 can be evenly divided by 1 5 13 47 65 235 491 611 2,455 3,055 6,383 23,077 31,915 115,385 300,001 and 1,500,005, with no remainder.

Since 1,500,005 cannot be divided by just 1 and 1,500,005, it is not a prime number.


More Examples

Number 1,500,0031,500,0041,500,0061,500,007
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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