Answer:
90
Step-by-step explanation:
Find the prime factorization of 270
270 = 2 × 3 × 3 × 3 × 5
Find the prime factorization of 900
900 = 2 × 2 × 3 × 3 × 5 × 5
To find the gcf, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 3 × 3 × 5
GCF = 90
