What is the GCF of 5120 and 8400?
The GCF of 5120 and 8400 is 80.
Steps to find GCF
- Find the prime factorization of 5120
5120 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 - Find the prime factorization of 8400
8400 = 2 × 2 × 2 × 2 × 3 × 5 × 5 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 2 × 2 × 2 × 5 - GCF = 80
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).