Question

Greatest common factor of 30 and 77

Answer 1

Answer:

1

Step-by-step explanation:

1×30 = 30, 1× 77 = 77.

The greatest common factor of 30 and 77 is 1.

Answer 2

Answer:

1

Step-by-step explanation:

Find the prime factorization of 30

30 = 2 × 3 × 5

Find the prime factorization of 77

77 = 7 × 11

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

Therefore, GCF = 1