How do you find the greatest common factor of 68, 34?

Answer 1

Emery Allen

#GCF = 2xx17=34#

Once you write down every number as the sum of its prime factors, you will be able to see what you have:

#" "34 = 2 xx " "17# #" "ul(68 =2xx2xx17)# #GCF = " "2 " "xx 17 = 34#

\observe that the sum of the common factors yields the GCF.]

If you had known that 34 is half of 68, you could have known this right away.

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Answer 2

Cameron Arnold

To find the greatest common factor (GCF) of 68 and 34, you can use prime factorization.

First, find the prime factorization of each number:

For 68: ( 68 = 2 \times 2 \times 17 )
For 34: ( 34 = 2 \times 17 )

Identify the common prime factors and their minimum exponents:

The common prime factors are 2 and 17.

Multiply the common prime factors together to find the GCF: ( GCF(68, 34) = 2 \times 17 = 34 )

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Answer from HIX Tutor

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.