What is the Greatest Common Factor of 61558 and 61564?

Greatest common factor (GCF) of 61558 and 61564 is 2.

GCF(61558,61564) = 2

We will now calculate the prime factors of 61558 and 61564, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61558 and 61564.

How to find the GCF of 61558 and 61564?

We will first find the prime factorization of 61558 and 61564. After we will calculate the factors of 61558 and 61564 and find the biggest common factor number .

Step-1: Prime Factorization of 61558

Prime factors of 61558 are 2, 7, 4397. Prime factorization of 61558 in exponential form is:

61558 = 2¹ × 7¹ × 4397¹

Step-2: Prime Factorization of 61564

Prime factors of 61564 are 2, 15391. Prime factorization of 61564 in exponential form is:

61564 = 2² × 15391¹

Step-3: Factors of 61558

List of positive integer factors of 61558 that divides 61558 without a remainder.

1, 2, 7, 14, 4397, 8794, 30779

Step-4: Factors of 61564

List of positive integer factors of 61564 that divides 61558 without a remainder.

1, 2, 4, 15391, 30782

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61558 and 61564. The biggest common factor number is the GCF number.
So the greatest common factor 61558 and 61564 is 2.

Also check out the Least Common Multiple of 61558 and 61564