SOLUTION: Find the GCF for the folowing groups 1)48, 80 2)42,66,78 3)6y^2,15y^3 4)12a^2b,18ab^2, 24a^3b^3

Question 148869: Find the GCF for the folowing groups
1)48, 80

2)42,66,78
3)6y^2,15y^3
4)12a^2b,18ab^2, 24a^3b^3
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
# 1
GCF:
First, find the prime factorization of each term:

:

:

Now highlight the common terms:

:

:

So the common terms are 2, 2, 2, and 2

Now simply multiply all of the common terms together to get

So the GCF is .

# 2

GCF:
First, find the prime factorization of each term:

:

:

:

Now highlight the common terms:

:

:

:

So the common terms are 2 and 3

Now simply multiply all of the common terms together to get

So the GCF of , , and is .

# 3

GCF:
First, find the prime factorization of each term:

:

:

Now highlight the common terms:

:

:

So the common terms are 3, y, and y

Now simply multiply all of the common terms together to get

So the GCF of and is .

# 4

GCF:
First, find the prime factorization of each term:

:

:

:

Now highlight the common terms:

:

:

:

So the common terms are 2, 3, a, and b

Now simply multiply all of the common terms together to get

So the GCF of , , and is .

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