Answer:
6
Explanation:
Step 1: Prime Factorization
Find the prime factors of each number:
- Prime factors of 30: 2, 3, 5
- Prime factors of 132: 2, 2, 3, 11
Step 2: Find Common Factors
The common factors are 2 and 3.
Step 3: Multiply Common Factors
Multiply the common factors together to find the HCF:
2 * 3 = 6
So, the highest common factor of 30 and 132 is 6.
Hope this helps! :)