What is the Greatest Common Factor of 77780 and 77797?

Greatest common factor (GCF) of 77780 and 77797 is 1.

GCF(77780,77797) = 1

We will now calculate the prime factors of 77780 and 77797, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77780 and 77797.

How to find the GCF of 77780 and 77797?

We will first find the prime factorization of 77780 and 77797. After we will calculate the factors of 77780 and 77797 and find the biggest common factor number .

Step-1: Prime Factorization of 77780

Prime factors of 77780 are 2, 5, 3889. Prime factorization of 77780 in exponential form is:

77780 = 2² × 5¹ × 3889¹

Step-2: Prime Factorization of 77797

Prime factors of 77797 are 77797. Prime factorization of 77797 in exponential form is:

77797 = 77797¹

Step-3: Factors of 77780

List of positive integer factors of 77780 that divides 77780 without a remainder.

1, 2, 4, 5, 10, 20, 3889, 7778, 15556, 19445, 38890

Step-4: Factors of 77797

List of positive integer factors of 77797 that divides 77780 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77780 and 77797. The biggest common factor number is the GCF number.
So the greatest common factor 77780 and 77797 is 1.

Also check out the Least Common Multiple of 77780 and 77797