What is the Greatest Common Factor of 843 and 851?
Greatest common factor (GCF) of 843 and 851 is 1.
GCF(843,851) = 1
We will now calculate the prime factors of 843 and 851, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 843 and 851.
How to find the GCF of 843 and 851?
We will first find the prime factorization of 843 and 851. After we will calculate the factors of 843 and 851 and find the biggest common factor number .
Step-1: Prime Factorization of 843
Prime factors of 843 are 3, 281. Prime factorization of 843 in exponential form is:
843 = 31 × 2811
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 843
List of positive integer factors of 843 that divides 843 without a remainder.
1, 3, 281
Step-4: Factors of 851
List of positive integer factors of 851 that divides 843 without a remainder.
1, 23, 37
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 843 and 851. The biggest common factor number is the GCF number.
So the greatest common factor 843 and 851 is 1.
Also check out the Least Common Multiple of 843 and 851
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