Q: Is 28,609 a Prime Number?

A: No, 28,609 is not a prime number.

Why is 28,609 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 28609 can be evenly divided by 1 7 61 67 427 469 4,087 and 28,609, with no remainder.

Since 28,609 cannot be divided by just 1 and 28,609, it is not a prime number.

Number	28,607	28,608	28,610	28,611
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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