What is the Greatest Common Factor of 77389 and 77402?

Greatest common factor (GCF) of 77389 and 77402 is 13.

GCF(77389,77402) = 13

We will now calculate the prime factors of 77389 and 77402, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77389 and 77402.

How to find the GCF of 77389 and 77402?

We will first find the prime factorization of 77389 and 77402. After we will calculate the factors of 77389 and 77402 and find the biggest common factor number .

Step-1: Prime Factorization of 77389

Prime factors of 77389 are 13, 5953. Prime factorization of 77389 in exponential form is:

77389 = 13¹ × 5953¹

Step-2: Prime Factorization of 77402

Prime factors of 77402 are 2, 13, 229. Prime factorization of 77402 in exponential form is:

77402 = 2¹ × 13² × 229¹

Step-3: Factors of 77389

List of positive integer factors of 77389 that divides 77389 without a remainder.

1, 13, 5953

Step-4: Factors of 77402

List of positive integer factors of 77402 that divides 77389 without a remainder.

1, 2, 13, 26, 169, 229, 338, 458, 2977, 5954, 38701

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77389 and 77402. The biggest common factor number is the GCF number.
So the greatest common factor 77389 and 77402 is 13.

Also check out the Least Common Multiple of 77389 and 77402