What is the Greatest Common Factor of 77078 and 77090?

Greatest common factor (GCF) of 77078 and 77090 is 2.

GCF(77078,77090) = 2

We will now calculate the prime factors of 77078 and 77090, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77078 and 77090.

How to find the GCF of 77078 and 77090?

We will first find the prime factorization of 77078 and 77090. After we will calculate the factors of 77078 and 77090 and find the biggest common factor number .

Step-1: Prime Factorization of 77078

Prime factors of 77078 are 2, 17, 2267. Prime factorization of 77078 in exponential form is:

77078 = 2¹ × 17¹ × 2267¹

Step-2: Prime Factorization of 77090

Prime factors of 77090 are 2, 5, 13, 593. Prime factorization of 77090 in exponential form is:

77090 = 2¹ × 5¹ × 13¹ × 593¹

Step-3: Factors of 77078

List of positive integer factors of 77078 that divides 77078 without a remainder.

1, 2, 17, 34, 2267, 4534, 38539

Step-4: Factors of 77090

List of positive integer factors of 77090 that divides 77078 without a remainder.

1, 2, 5, 10, 13, 26, 65, 130, 593, 1186, 2965, 5930, 7709, 15418, 38545

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77078 and 77090. The biggest common factor number is the GCF number.
So the greatest common factor 77078 and 77090 is 2.

Also check out the Least Common Multiple of 77078 and 77090