What is the GCF of 648 and 252?
The GCF of 648 and 252 is 36.
Steps to find GCF
- Find the prime factorization of 648
648 = 2 × 2 × 2 × 3 × 3 × 3 × 3 - Find the prime factorization of 252
252 = 2 × 2 × 3 × 3 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 2 × 3 × 3 - GCF = 36
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GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).