What is the Greatest Common Factor of 77958 and 77971?

Greatest common factor (GCF) of 77958 and 77971 is 1.

GCF(77958,77971) = 1

We will now calculate the prime factors of 77958 and 77971, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77958 and 77971.

How to find the GCF of 77958 and 77971?

We will first find the prime factorization of 77958 and 77971. After we will calculate the factors of 77958 and 77971 and find the biggest common factor number .

Step-1: Prime Factorization of 77958

Prime factors of 77958 are 2, 3, 61, 71. Prime factorization of 77958 in exponential form is:

77958 = 2¹ × 3² × 61¹ × 71¹

Step-2: Prime Factorization of 77971

Prime factors of 77971 are 103, 757. Prime factorization of 77971 in exponential form is:

77971 = 103¹ × 757¹

Step-3: Factors of 77958

List of positive integer factors of 77958 that divides 77958 without a remainder.

1, 2, 3, 6, 9, 18, 61, 71, 122, 142, 183, 213, 366, 426, 549, 639, 1098, 1278, 4331, 8662, 12993, 25986, 38979

Step-4: Factors of 77971

List of positive integer factors of 77971 that divides 77958 without a remainder.

1, 103, 757

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77958 and 77971. The biggest common factor number is the GCF number.
So the greatest common factor 77958 and 77971 is 1.

Also check out the Least Common Multiple of 77958 and 77971