What is the Greatest Common Factor of 860 and 878?
Greatest common factor (GCF) of 860 and 878 is 2.
GCF(860,878) = 2
We will now calculate the prime factors of 860 and 878, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 860 and 878.
How to find the GCF of 860 and 878?
We will first find the prime factorization of 860 and 878. After we will calculate the factors of 860 and 878 and find the biggest common factor number .
Step-1: Prime Factorization of 860
Prime factors of 860 are 2, 5, 43. Prime factorization of 860 in exponential form is:
860 = 22 × 51 × 431
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 860
List of positive integer factors of 860 that divides 860 without a remainder.
1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430
Step-4: Factors of 878
List of positive integer factors of 878 that divides 860 without a remainder.
1, 2, 439
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 860 and 878. The biggest common factor number is the GCF number.
So the greatest common factor 860 and 878 is 2.
Also check out the Least Common Multiple of 860 and 878
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