GCF and LCM Calculator Logo

What is the Greatest Common Factor of 77678 and 77698?

Greatest common factor (GCF) of 77678 and 77698 is 2.

GCF(77678,77698) = 2

We will now calculate the prime factors of 77678 and 77698, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77678 and 77698.

GCF Calculator and
and

How to find the GCF of 77678 and 77698?

We will first find the prime factorization of 77678 and 77698. After we will calculate the factors of 77678 and 77698 and find the biggest common factor number .

Step-1: Prime Factorization of 77678

Prime factors of 77678 are 2, 38839. Prime factorization of 77678 in exponential form is:

77678 = 21 × 388391

Step-2: Prime Factorization of 77698

Prime factors of 77698 are 2, 53, 733. Prime factorization of 77698 in exponential form is:

77698 = 21 × 531 × 7331

Step-3: Factors of 77678

List of positive integer factors of 77678 that divides 77678 without a remainder.

1, 2, 38839

Step-4: Factors of 77698

List of positive integer factors of 77698 that divides 77678 without a remainder.

1, 2, 53, 106, 733, 1466, 38849

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77678 and 77698. The biggest common factor number is the GCF number.
So the greatest common factor 77678 and 77698 is 2.

Also check out the Least Common Multiple of 77678 and 77698