What is the GCF of 66 and 1960?
The GCF of 66 and 1960 is 2.
Steps to find GCF
- Find the prime factorization of 66
66 = 2 × 3 × 11 - Find the prime factorization of 1960
1960 = 2 × 2 × 2 × 5 × 7 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2
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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).