# Is 121 a prime number?

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No, 121 is not a prime number. It is a composite number because it has factors other than 1 and itself. Specifically, 121 can be expressed as the product of 11 multiplied by 11 (11 x 11 = 121). Therefore, 121 is divisible by 1, 11, and 121, making it a composite 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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