What is the GCF of 171 and 1815?
The GCF of 171 and 1815 is 3.
Steps to find GCF
- Find the prime factorization of 171
171 = 3 × 3 × 19 - Find the prime factorization of 1815
1815 = 3 × 5 × 11 × 11 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 3
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Related
Find HCF of: 342 & 3630 513 & 5445 57 & 605 855 & 9075 342 & 1815 171 & 3630 513 & 1815 171 & 5445 855 & 1815 171 & 9075 1197 & 1815
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).