What is the Greatest Common Factor of 77806 and 77818?

Greatest common factor (GCF) of 77806 and 77818 is 2.

GCF(77806,77818) = 2

We will now calculate the prime factors of 77806 and 77818, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77806 and 77818.

How to find the GCF of 77806 and 77818?

We will first find the prime factorization of 77806 and 77818. After we will calculate the factors of 77806 and 77818 and find the biggest common factor number .

Step-1: Prime Factorization of 77806

Prime factors of 77806 are 2, 38903. Prime factorization of 77806 in exponential form is:

77806 = 2¹ × 38903¹

Step-2: Prime Factorization of 77818

Prime factors of 77818 are 2, 13, 41, 73. Prime factorization of 77818 in exponential form is:

77818 = 2¹ × 13¹ × 41¹ × 73¹

Step-3: Factors of 77806

List of positive integer factors of 77806 that divides 77806 without a remainder.

1, 2, 38903

Step-4: Factors of 77818

List of positive integer factors of 77818 that divides 77806 without a remainder.

1, 2, 13, 26, 41, 73, 82, 146, 533, 949, 1066, 1898, 2993, 5986, 38909

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77806 and 77818. The biggest common factor number is the GCF number.
So the greatest common factor 77806 and 77818 is 2.

Also check out the Least Common Multiple of 77806 and 77818