What is the GCF of 686 and 1296?
The GCF of 686 and 1296 is 2.
Steps to find GCF
- Find the prime factorization of 686
686 = 2 × 7 × 7 × 7 - Find the prime factorization of 1296
1296 = 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2
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Related
Find HCF of: 1372 & 2592 343 & 648 2058 & 3888 3430 & 6480 4802 & 9072 1372 & 1296 686 & 2592 2058 & 1296 686 & 3888 3430 & 1296 686 & 6480 4802 & 1296 686 & 9072
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).