What is the GCF of 165 and 3150?
The GCF of 165 and 3150 is 15.
Steps to find GCF
- Find the prime factorization of 165
165 = 3 × 5 × 11 - Find the prime factorization of 3150
3150 = 2 × 3 × 3 × 5 × 5 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 3 × 5 - GCF = 15
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).