What is the Greatest Common Factor of 77316 and 77320?

Greatest common factor (GCF) of 77316 and 77320 is 4.

GCF(77316,77320) = 4

We will now calculate the prime factors of 77316 and 77320, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77316 and 77320.

How to find the GCF of 77316 and 77320?

We will first find the prime factorization of 77316 and 77320. After we will calculate the factors of 77316 and 77320 and find the biggest common factor number .

Step-1: Prime Factorization of 77316

Prime factors of 77316 are 2, 3, 17, 379. Prime factorization of 77316 in exponential form is:

77316 = 2² × 3¹ × 17¹ × 379¹

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 77316

List of positive integer factors of 77316 that divides 77316 without a remainder.

1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 379, 758, 1137, 1516, 2274, 4548, 6443, 12886, 19329, 25772, 38658

Step-4: Factors of 77320

List of positive integer factors of 77320 that divides 77316 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 77316 and 77320. The biggest common factor number is the GCF number.
So the greatest common factor 77316 and 77320 is 4.

Also check out the Least Common Multiple of 77316 and 77320