Answer:

Find the prime factorization of 945

945 = 3 × 3 × 3 × 5 × 7

Find the prime factorization of 2175

2175 = 3 × 5 × 5 × 29

To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 3 × 5

GCF = 15

Find the prime factorization of 1161

1161 = 3 × 3 × 3 × 43

Find the prime factorization of 1333

1333 = 31 × 43

To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 43

Find the prime factorization of 2074

2074 = 2 × 17 × 61

Find the prime factorization of 5551

5551 = 7 × 13 × 61

To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 61

Find the prime factorization of 2057

2057 = 11 × 11 × 17

Find the prime factorization of 3267

3267 = 3 × 3 × 3 × 11 × 11

To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 11 × 11

GCF = 121

Find the prime factorization of 780

780 = 2 × 2 × 3 × 5 × 13

Find the prime factorization of 2552

2552 = 2 × 2 × 2 × 11 × 29

To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 2 × 2

GCF = 4

Step-by-step explanation:

given in the above figure