Q: Is 501,605 a Prime Number?

A: No, 501,605 is not a prime number.

Why is 501,605 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 501605 can be evenly divided by 1 5 13 65 7,717 38,585 100,321 and 501,605, with no remainder.

Since 501,605 cannot be divided by just 1 and 501,605, it is not a prime number.

Number	501,603	501,604	501,606	501,607
Prime?	no	no	no	no

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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