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Write the sum of the numbers as the product of their GCF and another sum 15+81
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Write the sum of the numbers as the product of their GCF and another sum 15+81

User Soptareanu Alex
by
5.0k points

2 Answers

6 votes

Answer:

Explanation:

3

User Dakur
by
5.5k points
3 votes
63+15=3×(21+5)
The prime factors of
63
are
3
×
3
×
7

and those of
15
are
3
×
5

As only
3
is common, GCF is
3

and as such
63
+
15
can be written as
63
+
15
=
3
×
21
+
3
×
5
=
3
User Nwellcome
by
5.5k points
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