What is the Greatest Common Factor of 77428 and 77443?

Greatest common factor (GCF) of 77428 and 77443 is 1.

GCF(77428,77443) = 1

We will now calculate the prime factors of 77428 and 77443, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77428 and 77443.

How to find the GCF of 77428 and 77443?

We will first find the prime factorization of 77428 and 77443. After we will calculate the factors of 77428 and 77443 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 77443

Prime factors of 77443 are 43, 1801. Prime factorization of 77443 in exponential form is:

77443 = 43¹ × 1801¹

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 77443

List of positive integer factors of 77443 that divides 77428 without a remainder.

1, 43, 1801

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77428 and 77443. The biggest common factor number is the GCF number.
So the greatest common factor 77428 and 77443 is 1.

Also check out the Least Common Multiple of 77428 and 77443