What is the Greatest Common Factor of 61564 and 61576?

Greatest common factor (GCF) of 61564 and 61576 is 4.

GCF(61564,61576) = 4

We will now calculate the prime factors of 61564 and 61576, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61564 and 61576.

How to find the GCF of 61564 and 61576?

We will first find the prime factorization of 61564 and 61576. After we will calculate the factors of 61564 and 61576 and find the biggest common factor number .

Step-1: Prime Factorization of 61564

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

61564 = 2² × 15391¹

Step-2: Prime Factorization of 61576

Prime factors of 61576 are 2, 43, 179. Prime factorization of 61576 in exponential form is:

61576 = 2³ × 43¹ × 179¹

Step-3: Factors of 61564

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

1, 2, 4, 15391, 30782

Step-4: Factors of 61576

List of positive integer factors of 61576 that divides 61564 without a remainder.

1, 2, 4, 8, 43, 86, 172, 179, 344, 358, 716, 1432, 7697, 15394, 30788

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61564 and 61576. The biggest common factor number is the GCF number.
So the greatest common factor 61564 and 61576 is 4.

Also check out the Least Common Multiple of 61564 and 61576