What is the Greatest Common Factor of 861 and 877?
Greatest common factor (GCF) of 861 and 877 is 1.
GCF(861,877) = 1
We will now calculate the prime factors of 861 and 877, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 861 and 877.
How to find the GCF of 861 and 877?
We will first find the prime factorization of 861 and 877. After we will calculate the factors of 861 and 877 and find the biggest common factor number .
Step-1: Prime Factorization of 861
Prime factors of 861 are 3, 7, 41. Prime factorization of 861 in exponential form is:
861 = 31 × 71 × 411
Step-2: Prime Factorization of 877
Prime factors of 877 are 877. Prime factorization of 877 in exponential form is:
877 = 8771
Step-3: Factors of 861
List of positive integer factors of 861 that divides 861 without a remainder.
1, 3, 7, 21, 41, 123, 287
Step-4: Factors of 877
List of positive integer factors of 877 that divides 861 without a remainder.
1
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 861 and 877. The biggest common factor number is the GCF number.
So the greatest common factor 861 and 877 is 1.
Also check out the Least Common Multiple of 861 and 877
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