Answer: 4
Explanation:
Step-1: Prime Factorization of 32
Prime factors of 32 are 2. Prime factorization of 32 in exponential form is:
32 = 25
Step-2: Prime Factorization of 68
Prime factors of 68 are 2, 17. Prime factorization of 68 in exponential form is:
68 = 22 × 171
Step-3: Factors of 32
List of positive integer factors of 32 that divides 32 without a remainder.
1, 2, 4, 8, 16
Step-4: Factors of 68
List of positive integer factors of 68 that divides 32 without a remainder.
1, 2, 4, 17, 34
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 32 and 68. The biggest common factor number is the GCF number.
So the greatest common factor 32 and 68 is 4.