What is the Greatest Common Factor of 61378 and 61391?

Greatest common factor (GCF) of 61378 and 61391 is 1.

GCF(61378,61391) = 1

We will now calculate the prime factors of 61378 and 61391, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61378 and 61391.

How to find the GCF of 61378 and 61391?

We will first find the prime factorization of 61378 and 61391. After we will calculate the factors of 61378 and 61391 and find the biggest common factor number .

Step-1: Prime Factorization of 61378

Prime factors of 61378 are 2, 30689. Prime factorization of 61378 in exponential form is:

61378 = 2¹ × 30689¹

Step-2: Prime Factorization of 61391

Prime factors of 61391 are 11, 5581. Prime factorization of 61391 in exponential form is:

61391 = 11¹ × 5581¹

Step-3: Factors of 61378

List of positive integer factors of 61378 that divides 61378 without a remainder.

1, 2, 30689

Step-4: Factors of 61391

List of positive integer factors of 61391 that divides 61378 without a remainder.

1, 11, 5581

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61378 and 61391. The biggest common factor number is the GCF number.
So the greatest common factor 61378 and 61391 is 1.

Also check out the Least Common Multiple of 61378 and 61391