What is the Greatest Common Factor of 64558 and 64578?

Greatest common factor (GCF) of 64558 and 64578 is 2.

GCF(64558,64578) = 2

We will now calculate the prime factors of 64558 and 64578, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64558 and 64578.

How to find the GCF of 64558 and 64578?

We will first find the prime factorization of 64558 and 64578. After we will calculate the factors of 64558 and 64578 and find the biggest common factor number .

Step-1: Prime Factorization of 64558

Prime factors of 64558 are 2, 13, 191. Prime factorization of 64558 in exponential form is:

64558 = 2¹ × 13² × 191¹

Step-2: Prime Factorization of 64578

Prime factors of 64578 are 2, 3, 47, 229. Prime factorization of 64578 in exponential form is:

64578 = 2¹ × 3¹ × 47¹ × 229¹

Step-3: Factors of 64558

List of positive integer factors of 64558 that divides 64558 without a remainder.

1, 2, 13, 26, 169, 191, 338, 382, 2483, 4966, 32279

Step-4: Factors of 64578

List of positive integer factors of 64578 that divides 64558 without a remainder.

1, 2, 3, 6, 47, 94, 141, 229, 282, 458, 687, 1374, 10763, 21526, 32289

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64558 and 64578. The biggest common factor number is the GCF number.
So the greatest common factor 64558 and 64578 is 2.

Also check out the Least Common Multiple of 64558 and 64578