Q: Is 3,961 a Prime Number?

A: No, 3,961 is not a prime number.

Why is 3,961 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 3961 can be evenly divided by 1 17 233 and 3,961, with no remainder.

Since 3,961 cannot be divided by just 1 and 3,961, it is not a prime number.

Number	3,959	3,960	3,962	3,963
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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