What is the Greatest Common Factor of 61565 and 61577?

Greatest common factor (GCF) of 61565 and 61577 is 1.

GCF(61565,61577) = 1

We will now calculate the prime factors of 61565 and 61577, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61565 and 61577.

How to find the GCF of 61565 and 61577?

We will first find the prime factorization of 61565 and 61577. After we will calculate the factors of 61565 and 61577 and find the biggest common factor number .

Step-1: Prime Factorization of 61565

Prime factors of 61565 are 5, 7, 1759. Prime factorization of 61565 in exponential form is:

61565 = 5¹ × 7¹ × 1759¹

Step-2: Prime Factorization of 61577

Prime factors of 61577 are 139, 443. Prime factorization of 61577 in exponential form is:

61577 = 139¹ × 443¹

Step-3: Factors of 61565

List of positive integer factors of 61565 that divides 61565 without a remainder.

1, 5, 7, 35, 1759, 8795, 12313

Step-4: Factors of 61577

List of positive integer factors of 61577 that divides 61565 without a remainder.

1, 139, 443

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61565 and 61577. The biggest common factor number is the GCF number.
So the greatest common factor 61565 and 61577 is 1.

Also check out the Least Common Multiple of 61565 and 61577