What is the Greatest Common Factor of 77401 and 77405?

Greatest common factor (GCF) of 77401 and 77405 is 1.

GCF(77401,77405) = 1

We will now calculate the prime factors of 77401 and 77405, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77401 and 77405.

How to find the GCF of 77401 and 77405?

We will first find the prime factorization of 77401 and 77405. After we will calculate the factors of 77401 and 77405 and find the biggest common factor number .

Step-1: Prime Factorization of 77401

Prime factors of 77401 are 17, 29, 157. Prime factorization of 77401 in exponential form is:

77401 = 17¹ × 29¹ × 157¹

Step-2: 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-3: Factors of 77401

List of positive integer factors of 77401 that divides 77401 without a remainder.

1, 17, 29, 157, 493, 2669, 4553

Step-4: Factors of 77405

List of positive integer factors of 77405 that divides 77401 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77401 and 77405. The biggest common factor number is the GCF number.
So the greatest common factor 77401 and 77405 is 1.

Also check out the Least Common Multiple of 77401 and 77405