What is the Greatest Common Factor of 47878 and 47886?

Greatest common factor (GCF) of 47878 and 47886 is 2.

GCF(47878,47886) = 2

We will now calculate the prime factors of 47878 and 47886, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47878 and 47886.

How to find the GCF of 47878 and 47886?

We will first find the prime factorization of 47878 and 47886. After we will calculate the factors of 47878 and 47886 and find the biggest common factor number .

Step-1: Prime Factorization of 47878

Prime factors of 47878 are 2, 37, 647. Prime factorization of 47878 in exponential form is:

47878 = 2¹ × 37¹ × 647¹

Step-2: Prime Factorization of 47886

Prime factors of 47886 are 2, 3, 23, 347. Prime factorization of 47886 in exponential form is:

47886 = 2¹ × 3¹ × 23¹ × 347¹

Step-3: Factors of 47878

List of positive integer factors of 47878 that divides 47878 without a remainder.

1, 2, 37, 74, 647, 1294, 23939

Step-4: Factors of 47886

List of positive integer factors of 47886 that divides 47878 without a remainder.

1, 2, 3, 6, 23, 46, 69, 138, 347, 694, 1041, 2082, 7981, 15962, 23943

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47878 and 47886. The biggest common factor number is the GCF number.
So the greatest common factor 47878 and 47886 is 2.

Also check out the Least Common Multiple of 47878 and 47886