What is the Greatest Common Factor of 77718 and 77728?

Greatest common factor (GCF) of 77718 and 77728 is 2.

GCF(77718,77728) = 2

We will now calculate the prime factors of 77718 and 77728, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77718 and 77728.

How to find the GCF of 77718 and 77728?

We will first find the prime factorization of 77718 and 77728. After we will calculate the factors of 77718 and 77728 and find the biggest common factor number .

Step-1: Prime Factorization of 77718

Prime factors of 77718 are 2, 3, 12953. Prime factorization of 77718 in exponential form is:

77718 = 2¹ × 3¹ × 12953¹

Step-2: Prime Factorization of 77728

Prime factors of 77728 are 2, 7, 347. Prime factorization of 77728 in exponential form is:

77728 = 2⁵ × 7¹ × 347¹

Step-3: Factors of 77718

List of positive integer factors of 77718 that divides 77718 without a remainder.

1, 2, 3, 6, 12953, 25906, 38859

Step-4: Factors of 77728

List of positive integer factors of 77728 that divides 77718 without a remainder.

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 347, 694, 1388, 2429, 2776, 4858, 5552, 9716, 11104, 19432, 38864

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77718 and 77728. The biggest common factor number is the GCF number.
So the greatest common factor 77718 and 77728 is 2.

Also check out the Least Common Multiple of 77718 and 77728