What is the Greatest Common Factor of 77428 and 77434?

Greatest common factor (GCF) of 77428 and 77434 is 2.

GCF(77428,77434) = 2

We will now calculate the prime factors of 77428 and 77434, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77428 and 77434.

How to find the GCF of 77428 and 77434?

We will first find the prime factorization of 77428 and 77434. After we will calculate the factors of 77428 and 77434 and find the biggest common factor number .

Step-1: Prime Factorization of 77428

Prime factors of 77428 are 2, 13, 1489. Prime factorization of 77428 in exponential form is:

77428 = 2² × 13¹ × 1489¹

Step-2: Prime Factorization of 77434

Prime factors of 77434 are 2, 7, 5531. Prime factorization of 77434 in exponential form is:

77434 = 2¹ × 7¹ × 5531¹

Step-3: Factors of 77428

List of positive integer factors of 77428 that divides 77428 without a remainder.

1, 2, 4, 13, 26, 52, 1489, 2978, 5956, 19357, 38714

Step-4: Factors of 77434

List of positive integer factors of 77434 that divides 77428 without a remainder.

1, 2, 7, 14, 5531, 11062, 38717

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77428 and 77434. The biggest common factor number is the GCF number.
So the greatest common factor 77428 and 77434 is 2.

Also check out the Least Common Multiple of 77428 and 77434