What is the Greatest Common Factor of 42878 and 42892?

Greatest common factor (GCF) of 42878 and 42892 is 2.

GCF(42878,42892) = 2

We will now calculate the prime factors of 42878 and 42892, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42878 and 42892.

How to find the GCF of 42878 and 42892?

We will first find the prime factorization of 42878 and 42892. After we will calculate the factors of 42878 and 42892 and find the biggest common factor number .

Step-1: Prime Factorization of 42878

Prime factors of 42878 are 2, 11, 1949. Prime factorization of 42878 in exponential form is:

42878 = 2¹ × 11¹ × 1949¹

Step-2: Prime Factorization of 42892

Prime factors of 42892 are 2, 10723. Prime factorization of 42892 in exponential form is:

42892 = 2² × 10723¹

Step-3: Factors of 42878

List of positive integer factors of 42878 that divides 42878 without a remainder.

1, 2, 11, 22, 1949, 3898, 21439

Step-4: Factors of 42892

List of positive integer factors of 42892 that divides 42878 without a remainder.

1, 2, 4, 10723, 21446

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42878 and 42892. The biggest common factor number is the GCF number.
So the greatest common factor 42878 and 42892 is 2.

Also check out the Least Common Multiple of 42878 and 42892