Factors of 15: 1, 3, 5, 15
<span>Factors of 45: 1, 3, 5, 9, </span>15, 45
<span>The Greatest common factor is 15.</span>
Rewriting the left-hand side as follows,

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Answer:
it would be 3
Step-by-step explanation:
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By any chance will it be (1,1)