What is the Greatest Common Factor of 805 and 823?
Greatest common factor (GCF) of 805 and 823 is 1.
GCF(805,823) = 1
We will now calculate the prime factors of 805 and 823, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 805 and 823.
How to find the GCF of 805 and 823?
We will first find the prime factorization of 805 and 823. After we will calculate the factors of 805 and 823 and find the biggest common factor number .
Step-1: 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-2: Prime Factorization of 823
Prime factors of 823 are 823. Prime factorization of 823 in exponential form is:
823 = 8231
Step-3: Factors of 805
List of positive integer factors of 805 that divides 805 without a remainder.
1, 5, 7, 23, 35, 115, 161
Step-4: Factors of 823
List of positive integer factors of 823 that divides 805 without a remainder.
1
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 805 and 823. The biggest common factor number is the GCF number.
So the greatest common factor 805 and 823 is 1.
Also check out the Least Common Multiple of 805 and 823
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