GCF and LCM Calculator Logo

What is the Greatest Common Factor of 77311 and 77320?

Greatest common factor (GCF) of 77311 and 77320 is 1.

GCF(77311,77320) = 1

We will now calculate the prime factors of 77311 and 77320, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77311 and 77320.

GCF Calculator and
and

How to find the GCF of 77311 and 77320?

We will first find the prime factorization of 77311 and 77320. After we will calculate the factors of 77311 and 77320 and find the biggest common factor number .

Step-1: Prime Factorization of 77311

Prime factors of 77311 are 13, 19, 313. Prime factorization of 77311 in exponential form is:

77311 = 131 × 191 × 3131

Step-2: Prime Factorization of 77320

Prime factors of 77320 are 2, 5, 1933. Prime factorization of 77320 in exponential form is:

77320 = 23 × 51 × 19331

Step-3: Factors of 77311

List of positive integer factors of 77311 that divides 77311 without a remainder.

1, 13, 19, 247, 313, 4069, 5947

Step-4: Factors of 77320

List of positive integer factors of 77320 that divides 77311 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1933, 3866, 7732, 9665, 15464, 19330, 38660

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77311 and 77320. The biggest common factor number is the GCF number.
So the greatest common factor 77311 and 77320 is 1.

Also check out the Least Common Multiple of 77311 and 77320