What is the Greatest Common Factor of 838 and 855?
Greatest common factor (GCF) of 838 and 855 is 1.
GCF(838,855) = 1
We will now calculate the prime factors of 838 and 855, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 838 and 855.
How to find the GCF of 838 and 855?
We will first find the prime factorization of 838 and 855. After we will calculate the factors of 838 and 855 and find the biggest common factor number .
Step-1: Prime Factorization of 838
Prime factors of 838 are 2, 419. Prime factorization of 838 in exponential form is:
838 = 21 × 4191
Step-2: Prime Factorization of 855
Prime factors of 855 are 3, 5, 19. Prime factorization of 855 in exponential form is:
855 = 32 × 51 × 191
Step-3: Factors of 838
List of positive integer factors of 838 that divides 838 without a remainder.
1, 2, 419
Step-4: Factors of 855
List of positive integer factors of 855 that divides 838 without a remainder.
1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 838 and 855. The biggest common factor number is the GCF number.
So the greatest common factor 838 and 855 is 1.
Also check out the Least Common Multiple of 838 and 855
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