What is the GCF of 147 and 286?
The GCF of 147 and 286 is 1.
Steps to find GCF
- Find the prime factorization of 147
147 = 3 × 7 × 7 - Find the prime factorization of 286
286 = 2 × 11 × 13 - To find the GCF, multiply all the prime factors common to both numbers:
Note that there are no common prime factors. - Therefore, GCF = 1 (since 1 is a factor of every number)
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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).