Answer:
We found the factors and prime factorization of 27 and 45. The biggest common factor number is the GCF number. So the greatest common factor 27 and 45 is 9.
27= (3 x 3 x 3)
45= (3 x 3 x 5)
54= (3 x 3 x 3 x 2)
Explanation:
3.4m questions
4.3m answers