What is the Greatest Common Factor of 77090 and 77103?

Greatest common factor (GCF) of 77090 and 77103 is 13.

GCF(77090,77103) = 13

We will now calculate the prime factors of 77090 and 77103, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77090 and 77103.

How to find the GCF of 77090 and 77103?

We will first find the prime factorization of 77090 and 77103. After we will calculate the factors of 77090 and 77103 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 77103

Prime factors of 77103 are 3, 13, 659. Prime factorization of 77103 in exponential form is:

77103 = 3² × 13¹ × 659¹

Step-3: Factors of 77090

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

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

Step-4: Factors of 77103

List of positive integer factors of 77103 that divides 77090 without a remainder.

1, 3, 9, 13, 39, 117, 659, 1977, 5931, 8567, 25701

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77090 and 77103. The biggest common factor number is the GCF number.
So the greatest common factor 77090 and 77103 is 13.

Also check out the Least Common Multiple of 77090 and 77103