What is the Greatest Common Factor of 77405 and 77411?

Greatest common factor (GCF) of 77405 and 77411 is 1.

GCF(77405,77411) = 1

We will now calculate the prime factors of 77405 and 77411, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77405 and 77411.

How to find the GCF of 77405 and 77411?

We will first find the prime factorization of 77405 and 77411. After we will calculate the factors of 77405 and 77411 and find the biggest common factor number .

Step-1: Prime Factorization of 77405

Prime factors of 77405 are 5, 113, 137. Prime factorization of 77405 in exponential form is:

77405 = 5¹ × 113¹ × 137¹

Step-2: Prime Factorization of 77411

Prime factors of 77411 are 199, 389. Prime factorization of 77411 in exponential form is:

77411 = 199¹ × 389¹

Step-3: Factors of 77405

List of positive integer factors of 77405 that divides 77405 without a remainder.

1, 5, 113, 137, 565, 685, 15481

Step-4: Factors of 77411

List of positive integer factors of 77411 that divides 77405 without a remainder.

1, 199, 389

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77405 and 77411. The biggest common factor number is the GCF number.
So the greatest common factor 77405 and 77411 is 1.

Also check out the Least Common Multiple of 77405 and 77411