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

Question

Mathematics

Josephine Phillips

15 March, 12:34

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

+5

Answers (1)

Know the Answer?

Bradley Palmer · Answer 1

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