What is the GCF of 641 and 8404?
The GCF of 641 and 8404 is 1.
Steps to find GCF
- Find the prime factorization of 641
641 = 641 - Find the prime factorization of 8404
8404 = 2 × 2 × 11 × 191 - To find the GCF, multiply all the prime factors common to both numbers:
Note that there are no common prime factors. - Therefore, GCF = 1 (since 1 is a factor of every number)
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).