What is the Greatest Common Factor of 807 and 821?
Greatest common factor (GCF) of 807 and 821 is 1.
GCF(807,821) = 1
We will now calculate the prime factors of 807 and 821, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 807 and 821.
How to find the GCF of 807 and 821?
We will first find the prime factorization of 807 and 821. After we will calculate the factors of 807 and 821 and find the biggest common factor number .
Step-1: Prime Factorization of 807
Prime factors of 807 are 3, 269. Prime factorization of 807 in exponential form is:
807 = 31 × 2691
Step-2: Prime Factorization of 821
Prime factors of 821 are 821. Prime factorization of 821 in exponential form is:
821 = 8211
Step-3: Factors of 807
List of positive integer factors of 807 that divides 807 without a remainder.
1, 3, 269
Step-4: Factors of 821
List of positive integer factors of 821 that divides 807 without a remainder.
1
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 807 and 821. The biggest common factor number is the GCF number.
So the greatest common factor 807 and 821 is 1.
Also check out the Least Common Multiple of 807 and 821
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