What is the Greatest Common Factor of 786 and 806?
Greatest common factor (GCF) of 786 and 806 is 2.
GCF(786,806) = 2
We will now calculate the prime factors of 786 and 806, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 786 and 806.
How to find the GCF of 786 and 806?
We will first find the prime factorization of 786 and 806. After we will calculate the factors of 786 and 806 and find the biggest common factor number .
Step-1: Prime Factorization of 786
Prime factors of 786 are 2, 3, 131. Prime factorization of 786 in exponential form is:
786 = 21 × 31 × 1311
Step-2: Prime Factorization of 806
Prime factors of 806 are 2, 13, 31. Prime factorization of 806 in exponential form is:
806 = 21 × 131 × 311
Step-3: Factors of 786
List of positive integer factors of 786 that divides 786 without a remainder.
1, 2, 3, 6, 131, 262, 393
Step-4: Factors of 806
List of positive integer factors of 806 that divides 786 without a remainder.
1, 2, 13, 26, 31, 62, 403
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 786 and 806. The biggest common factor number is the GCF number.
So the greatest common factor 786 and 806 is 2.
Also check out the Least Common Multiple of 786 and 806
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