What is the GCF of 686 and 270?
The GCF of 686 and 270 is 2.
Steps to find GCF
- Find the prime factorization of 686
686 = 2 × 7 × 7 × 7 - Find the prime factorization of 270
270 = 2 × 3 × 3 × 3 × 5 - 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 & 540 343 & 135 2058 & 810 3430 & 1350 4802 & 1890 1372 & 270 686 & 540 2058 & 270 686 & 810 3430 & 270 686 & 1350 4802 & 270 686 & 1890
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).