Q: Is 72,505 a Prime Number?

A: No, 72,505 is not a prime number.

Why is 72,505 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 72505 can be evenly divided by 1 5 17 85 853 4,265 14,501 and 72,505, with no remainder.

Since 72,505 cannot be divided by just 1 and 72,505, it is not a prime number.

Number	72,503	72,504	72,506	72,507
Prime?	yes	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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