What is the Greatest Common Factor of 77960 and 77979?

Greatest common factor (GCF) of 77960 and 77979 is 1.

GCF(77960,77979) = 1

We will now calculate the prime factors of 77960 and 77979, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77960 and 77979.

How to find the GCF of 77960 and 77979?

We will first find the prime factorization of 77960 and 77979. After we will calculate the factors of 77960 and 77979 and find the biggest common factor number .

Step-1: Prime Factorization of 77960

Prime factors of 77960 are 2, 5, 1949. Prime factorization of 77960 in exponential form is:

77960 = 2³ × 5¹ × 1949¹

Step-2: Prime Factorization of 77979

Prime factors of 77979 are 3, 11, 17, 139. Prime factorization of 77979 in exponential form is:

77979 = 3¹ × 11¹ × 17¹ × 139¹

Step-3: Factors of 77960

List of positive integer factors of 77960 that divides 77960 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1949, 3898, 7796, 9745, 15592, 19490, 38980

Step-4: Factors of 77979

List of positive integer factors of 77979 that divides 77960 without a remainder.

1, 3, 11, 17, 33, 51, 139, 187, 417, 561, 1529, 2363, 4587, 7089, 25993

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77960 and 77979. The biggest common factor number is the GCF number.
So the greatest common factor 77960 and 77979 is 1.

Also check out the Least Common Multiple of 77960 and 77979