What is the Greatest Common Factor of 77790 and 77803?

Greatest common factor (GCF) of 77790 and 77803 is 1.

GCF(77790,77803) = 1

We will now calculate the prime factors of 77790 and 77803, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77790 and 77803.

How to find the GCF of 77790 and 77803?

We will first find the prime factorization of 77790 and 77803. After we will calculate the factors of 77790 and 77803 and find the biggest common factor number .

Step-1: Prime Factorization of 77790

Prime factors of 77790 are 2, 3, 5, 2593. Prime factorization of 77790 in exponential form is:

77790 = 2¹ × 3¹ × 5¹ × 2593¹

Step-2: Prime Factorization of 77803

Prime factors of 77803 are 11, 643. Prime factorization of 77803 in exponential form is:

77803 = 11² × 643¹

Step-3: Factors of 77790

List of positive integer factors of 77790 that divides 77790 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 2593, 5186, 7779, 12965, 15558, 25930, 38895

Step-4: Factors of 77803

List of positive integer factors of 77803 that divides 77790 without a remainder.

1, 11, 121, 643, 7073

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77790 and 77803. The biggest common factor number is the GCF number.
So the greatest common factor 77790 and 77803 is 1.

Also check out the Least Common Multiple of 77790 and 77803