Respuesta :

Hi,

Answer: The Greatest Common Factor (GCF) of 45 and 75 is 3 and 5.

My work: To find the Greatest Common Factor (GCF) Divide and simplify both numbers until you find your match or your GCF.

I Hope I Helped!

gia567
15 is the gcf because 45/15=3 and 75/15=5