What is the Greatest Common Factor of 880 and 891?
Greatest common factor (GCF) of 880 and 891 is 11.
GCF(880,891) = 11
We will now calculate the prime factors of 880 and 891, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 880 and 891.
How to find the GCF of 880 and 891?
We will first find the prime factorization of 880 and 891. After we will calculate the factors of 880 and 891 and find the biggest common factor number .
Step-1: Prime Factorization of 880
Prime factors of 880 are 2, 5, 11. Prime factorization of 880 in exponential form is:
880 = 24 × 51 × 111
Step-2: Prime Factorization of 891
Prime factors of 891 are 3, 11. Prime factorization of 891 in exponential form is:
891 = 34 × 111
Step-3: Factors of 880
List of positive integer factors of 880 that divides 880 without a remainder.
1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440
Step-4: Factors of 891
List of positive integer factors of 891 that divides 880 without a remainder.
1, 3, 9, 11, 27, 33, 81, 99, 297
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 880 and 891. The biggest common factor number is the GCF number.
So the greatest common factor 880 and 891 is 11.
Also check out the Least Common Multiple of 880 and 891
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