What is the Greatest Common Factor of 77426 and 77438?

Greatest common factor (GCF) of 77426 and 77438 is 2.

GCF(77426,77438) = 2

We will now calculate the prime factors of 77426 and 77438, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77426 and 77438.

How to find the GCF of 77426 and 77438?

We will first find the prime factorization of 77426 and 77438. After we will calculate the factors of 77426 and 77438 and find the biggest common factor number .

Step-1: Prime Factorization of 77426

Prime factors of 77426 are 2, 38713. Prime factorization of 77426 in exponential form is:

77426 = 2¹ × 38713¹

Step-2: Prime Factorization of 77438

Prime factors of 77438 are 2, 31, 1249. Prime factorization of 77438 in exponential form is:

77438 = 2¹ × 31¹ × 1249¹

Step-3: Factors of 77426

List of positive integer factors of 77426 that divides 77426 without a remainder.

1, 2, 38713

Step-4: Factors of 77438

List of positive integer factors of 77438 that divides 77426 without a remainder.

1, 2, 31, 62, 1249, 2498, 38719

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77426 and 77438. The biggest common factor number is the GCF number.
So the greatest common factor 77426 and 77438 is 2.

Also check out the Least Common Multiple of 77426 and 77438