What is the Greatest Common Factor of 77690 and 77697?

Greatest common factor (GCF) of 77690 and 77697 is 1.

GCF(77690,77697) = 1

We will now calculate the prime factors of 77690 and 77697, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77690 and 77697.

How to find the GCF of 77690 and 77697?

We will first find the prime factorization of 77690 and 77697. After we will calculate the factors of 77690 and 77697 and find the biggest common factor number .

Step-1: Prime Factorization of 77690

Prime factors of 77690 are 2, 5, 17, 457. Prime factorization of 77690 in exponential form is:

77690 = 2¹ × 5¹ × 17¹ × 457¹

Step-2: Prime Factorization of 77697

Prime factors of 77697 are 3, 89, 97. Prime factorization of 77697 in exponential form is:

77697 = 3² × 89¹ × 97¹

Step-3: Factors of 77690

List of positive integer factors of 77690 that divides 77690 without a remainder.

1, 2, 5, 10, 17, 34, 85, 170, 457, 914, 2285, 4570, 7769, 15538, 38845

Step-4: Factors of 77697

List of positive integer factors of 77697 that divides 77690 without a remainder.

1, 3, 9, 89, 97, 267, 291, 801, 873, 8633, 25899

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77690 and 77697. The biggest common factor number is the GCF number.
So the greatest common factor 77690 and 77697 is 1.

Also check out the Least Common Multiple of 77690 and 77697