# Is 91 a prime number?

No,

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To determine if 91 is a prime number, we check if it has any factors other than 1 and itself.

91 can be factored as (7 \times 13).

Since 91 can be divided evenly by numbers other than 1 and itself (7 and 13), it is not a prime number.

Therefore, 91 is not a prime number.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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