Q: Is 287,501 a Prime Number?

A: Yes, 287,501 is a prime number.

Why is 287,501 a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 287501 can be evenly divided by 1 and 287,501, with no remainder.

Since 287,501 can be divided by just 1 and 287,501, it is a prime number.

Number	287,499	287,500	287,502	287,503
Prime?	no	no	no	yes

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

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