What is the Greatest Common Factor of 847 and 851?
Greatest common factor (GCF) of 847 and 851 is 1.
GCF(847,851) = 1
We will now calculate the prime factors of 847 and 851, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 847 and 851.
How to find the GCF of 847 and 851?
We will first find the prime factorization of 847 and 851. After we will calculate the factors of 847 and 851 and find the biggest common factor number .
Step-1: Prime Factorization of 847
Prime factors of 847 are 7, 11. Prime factorization of 847 in exponential form is:
847 = 71 × 112
Step-2: Prime Factorization of 851
Prime factors of 851 are 23, 37. Prime factorization of 851 in exponential form is:
851 = 231 × 371
Step-3: Factors of 847
List of positive integer factors of 847 that divides 847 without a remainder.
1, 7, 11, 77, 121
Step-4: Factors of 851
List of positive integer factors of 851 that divides 847 without a remainder.
1, 23, 37
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 847 and 851. The biggest common factor number is the GCF number.
So the greatest common factor 847 and 851 is 1.
Also check out the Least Common Multiple of 847 and 851
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