What is the Greatest Common Factor of 2558 and 2568?

Greatest common factor (GCF) of 2558 and 2568 is 2.

GCF(2558,2568) = 2

We will now calculate the prime factors of 2558 and 2568, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2558 and 2568.

How to find the GCF of 2558 and 2568?

We will first find the prime factorization of 2558 and 2568. After we will calculate the factors of 2558 and 2568 and find the biggest common factor number .

Step-1: Prime Factorization of 2558

Prime factors of 2558 are 2, 1279. Prime factorization of 2558 in exponential form is:

2558 = 2¹ × 1279¹

Step-2: Prime Factorization of 2568

Prime factors of 2568 are 2, 3, 107. Prime factorization of 2568 in exponential form is:

2568 = 2³ × 3¹ × 107¹

Step-3: Factors of 2558

List of positive integer factors of 2558 that divides 2558 without a remainder.

1, 2, 1279

Step-4: Factors of 2568

List of positive integer factors of 2568 that divides 2558 without a remainder.

1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2558 and 2568. The biggest common factor number is the GCF number.
So the greatest common factor 2558 and 2568 is 2.

Also check out the Least Common Multiple of 2558 and 2568