What is the GCF of 686 and 252?
The GCF of 686 and 252 is 14.
Steps to find GCF
- Find the prime factorization of 686
686 = 2 × 7 × 7 × 7 - Find the prime factorization of 252
252 = 2 × 2 × 3 × 3 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 7 - GCF = 14
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Find HCF of: 1372 & 504 343 & 126 2058 & 756 3430 & 1260 4802 & 1764 98 & 36 1372 & 252 686 & 504 2058 & 252 686 & 756 3430 & 252 686 & 1260 4802 & 252 686 & 1764
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).