Prime Factorization Method
There are multiple ways to find the greatest common factor of given integers. One of these involves computing the prime factorizations of each integer, determining which factors they have in common, and multiplying these factors to find the GCD.
- Find the prime factorization of each number:
412 = 2, 2, 103
103 = 103
- Identify the common prime factors between 412 and 103: 103
- To find GCF multiply the common prime factors: GCF(412, 103) = 103
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Listing All Common Factors Method
To find the Greatest Common Factor (GCF) of 412 and 103 by listing all common factors, follow these steps:
- List all factors of each number:
- Factors of 412: 1, 2, 4, 103, 206, 412
- Factors of 103: 1, 103
- Identify the common factors of 412 and 103: 1, 103
- Determine the greatest common factor:
- The greatest common factor is the largest number in the list of common factors, i.e. 103
So, the Greatest Common Factor (GCF) of 412 and 103 is 103.