Answer:
51
Step-by-step explanation:
Find the prime factorization of 2040
2040 = 2 × 2 × 2 × 3 × 5 × 17
Find the prime factorization of 85833
85833 = 3 × 3 × 3 × 11 × 17 × 17
To find the gcf, multiply all the prime factors common to both numbers:
Therefore, GCF = 3 × 17
GCF = 51
