What is the Greatest Common Factor of 858 and 876?
Greatest common factor (GCF) of 858 and 876 is 6.
GCF(858,876) = 6
We will now calculate the prime factors of 858 and 876, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 858 and 876.
How to find the GCF of 858 and 876?
We will first find the prime factorization of 858 and 876. After we will calculate the factors of 858 and 876 and find the biggest common factor number .
Step-1: Prime Factorization of 858
Prime factors of 858 are 2, 3, 11, 13. Prime factorization of 858 in exponential form is:
858 = 21 × 31 × 111 × 131
Step-2: Prime Factorization of 876
Prime factors of 876 are 2, 3, 73. Prime factorization of 876 in exponential form is:
876 = 22 × 31 × 731
Step-3: Factors of 858
List of positive integer factors of 858 that divides 858 without a remainder.
1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429
Step-4: Factors of 876
List of positive integer factors of 876 that divides 858 without a remainder.
1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 438
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 858 and 876. The biggest common factor number is the GCF number.
So the greatest common factor 858 and 876 is 6.
Also check out the Least Common Multiple of 858 and 876
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