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broccolideku120
The gcf for 13 and 65 is 13 because that is the greatest number that 13 and 65 can divide into and for the 2nd question it is 13(1+5) bc you put the 13x1 equal 13 and 13x5 equals 65 so ya.
chloeclark54

Answer:

gcf = 13

13(1+5)

Step-by-step explanation:

GCF = 13, 13*5=65

= 13 + 13(5)

= 13(1+5)

which also = 13(6) = 78 = 13 + 65