What is the Greatest Common Factor of 797 and 805?
Greatest common factor (GCF) of 797 and 805 is 1.
GCF(797,805) = 1
We will now calculate the prime factors of 797 and 805, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 797 and 805.
How to find the GCF of 797 and 805?
We will first find the prime factorization of 797 and 805. After we will calculate the factors of 797 and 805 and find the biggest common factor number .
Step-1: Prime Factorization of 797
Prime factors of 797 are 797. Prime factorization of 797 in exponential form is:
797 = 7971
Step-2: Prime Factorization of 805
Prime factors of 805 are 5, 7, 23. Prime factorization of 805 in exponential form is:
805 = 51 × 71 × 231
Step-3: Factors of 797
List of positive integer factors of 797 that divides 797 without a remainder.
1
Step-4: Factors of 805
List of positive integer factors of 805 that divides 797 without a remainder.
1, 5, 7, 23, 35, 115, 161
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 797 and 805. The biggest common factor number is the GCF number.
So the greatest common factor 797 and 805 is 1.
Also check out the Least Common Multiple of 797 and 805
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