What is the GCF of 189 and 1089?
The GCF of 189 and 1089 is 9.
Steps to find GCF
- Find the prime factorization of 189
189 = 3 × 3 × 3 × 7 - Find the prime factorization of 1089
1089 = 3 × 3 × 11 × 11 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 3 × 3 - GCF = 9
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Find HCF of: 378 & 2178 567 & 3267 63 & 363 945 & 5445 1323 & 7623 378 & 1089 189 & 2178 567 & 1089 189 & 3267 945 & 1089 189 & 5445 1323 & 1089 189 & 7623
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).