What is the GCF of 286 and 686?
The GCF of 286 and 686 is 2.
Steps to find GCF
- Find the prime factorization of 286
286 = 2 × 11 × 13 - Find the prime factorization of 686
686 = 2 × 7 × 7 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2
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Find HCF of: 572 & 1372 143 & 343 858 & 2058 1430 & 3430 2002 & 4802 572 & 686 286 & 1372 858 & 686 286 & 2058 1430 & 686 286 & 3430 2002 & 686 286 & 4802
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).