# How do you write 98 as a product of prime factors?

Try each possible prime factor in turn:

So:

We can also draw this as a factor tree:

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To write 98 as a product of prime factors, you can start by dividing it by the smallest prime number, which is 2. Continue dividing until you can't divide anymore.

98 ÷ 2 = 49

49 is not divisible by 2, so you move to the next prime number, which is 3. But 49 is not divisible by 3 either.

Next, try dividing by 5.

49 ÷ 7 = 7

7 is a prime number, so the prime factorization of 98 is:

2 × 7 × 7

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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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