What is the Greatest Common Factor of 77803 and 77815?

Greatest common factor (GCF) of 77803 and 77815 is 1.

GCF(77803,77815) = 1

We will now calculate the prime factors of 77803 and 77815, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77803 and 77815.

How to find the GCF of 77803 and 77815?

We will first find the prime factorization of 77803 and 77815. After we will calculate the factors of 77803 and 77815 and find the biggest common factor number .

Step-1: Prime Factorization of 77803

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

77803 = 11² × 643¹

Step-2: Prime Factorization of 77815

Prime factors of 77815 are 5, 79, 197. Prime factorization of 77815 in exponential form is:

77815 = 5¹ × 79¹ × 197¹

Step-3: Factors of 77803

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

1, 11, 121, 643, 7073

Step-4: Factors of 77815

List of positive integer factors of 77815 that divides 77803 without a remainder.

1, 5, 79, 197, 395, 985, 15563

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77803 and 77815. The biggest common factor number is the GCF number.
So the greatest common factor 77803 and 77815 is 1.

Also check out the Least Common Multiple of 77803 and 77815