Q: Is 28,207 a Prime Number?

A: No, 28,207 is not a prime number.

Why is 28,207 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 28207 can be evenly divided by 1 67 421 and 28,207, with no remainder.

Since 28,207 cannot be divided by just 1 and 28,207, it is not a prime number.

Number	28,205	28,206	28,208	28,209
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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