Respuesta :
mark me the brainiest if this helps; 7 is the greatest comman factor of 28 and 49
Find the GCF of 28 and 49, if their LCM is 196.
Solution:
∵ LCM × GCF = 28 × 49
⇒ GCF(28, 49) = (28 × 49)/196 = 7
Therefore, the greatest common factor of 28 and 49 is 7.