To find the greatest common factor (GCF) of 76 and 100, follow these steps:

1. **Find the prime factors of each number**:
   - 76 = 2 × 2 × 19
   - 100 = 2 × 2 × 5 × 5

2. **Identify the common prime factors**:
   - The common prime factors are: 2 × 2.

3. **Multiply the common prime factors**:
   - 2 × 2 = 4.

So, the GCF of 76 and 100 is **4**.

Would you like more details on the prime factorization process or have any other questions?

Here are five related questions:
1. How do you find the least common multiple (LCM) of two numbers?
2. Can the GCF be greater than either of the numbers involved?
3. What is the GCF of 48 and 72?
4. How is the GCF used in simplifying fractions?
5. What is the relationship between GCF and LCM?

**Tip**: The GCF is helpful when simplifying fractions, as it allows you to reduce them to their lowest terms.

Learn how to find the Greatest Common Factor (GCF) of 76 and 100 using prime factorization. This guide explains step-by-step how to identify common prime factors and calculate the GCF. Suitable for students in Grades 6-8.

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