What is the Greatest Common Factor of 85418 and 85438?

Greatest common factor (GCF) of 85418 and 85438 is 2.

GCF(85418,85438) = 2

We will now calculate the prime factors of 85418 and 85438, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85418 and 85438.

How to find the GCF of 85418 and 85438?

We will first find the prime factorization of 85418 and 85438. After we will calculate the factors of 85418 and 85438 and find the biggest common factor number .

Step-1: Prime Factorization of 85418

Prime factors of 85418 are 2, 42709. Prime factorization of 85418 in exponential form is:

85418 = 2¹ × 42709¹

Step-2: Prime Factorization of 85438

Prime factors of 85438 are 2, 42719. Prime factorization of 85438 in exponential form is:

85438 = 2¹ × 42719¹

Step-3: Factors of 85418

List of positive integer factors of 85418 that divides 85418 without a remainder.

1, 2, 42709

Step-4: Factors of 85438

List of positive integer factors of 85438 that divides 85418 without a remainder.

1, 2, 42719

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85418 and 85438. The biggest common factor number is the GCF number.
So the greatest common factor 85418 and 85438 is 2.

Also check out the Least Common Multiple of 85418 and 85438