What is the GCF of 7000 and 8640?
The GCF of 7000 and 8640 is 40.
Steps to find GCF
- Find the prime factorization of 7000
7000 = 2 × 2 × 2 × 5 × 5 × 5 × 7 - Find the prime factorization of 8640
8640 = 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 2 × 2 × 5 - GCF = 40
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).