What is the Greatest Common Factor of 871 and 878?
Greatest common factor (GCF) of 871 and 878 is 1.
GCF(871,878) = 1
We will now calculate the prime factors of 871 and 878, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 871 and 878.
How to find the GCF of 871 and 878?
We will first find the prime factorization of 871 and 878. After we will calculate the factors of 871 and 878 and find the biggest common factor number .
Step-1: Prime Factorization of 871
Prime factors of 871 are 13, 67. Prime factorization of 871 in exponential form is:
871 = 131 × 671
Step-2: Prime Factorization of 878
Prime factors of 878 are 2, 439. Prime factorization of 878 in exponential form is:
878 = 21 × 4391
Step-3: Factors of 871
List of positive integer factors of 871 that divides 871 without a remainder.
1, 13, 67
Step-4: Factors of 878
List of positive integer factors of 878 that divides 871 without a remainder.
1, 2, 439
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 871 and 878. The biggest common factor number is the GCF number.
So the greatest common factor 871 and 878 is 1.
Also check out the Least Common Multiple of 871 and 878
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