What is the Greatest Common Factor of 25558 and 25568?

Greatest common factor (GCF) of 25558 and 25568 is 2.

GCF(25558,25568) = 2

We will now calculate the prime factors of 25558 and 25568, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25558 and 25568.

How to find the GCF of 25558 and 25568?

We will first find the prime factorization of 25558 and 25568. After we will calculate the factors of 25558 and 25568 and find the biggest common factor number .

Step-1: Prime Factorization of 25558

Prime factors of 25558 are 2, 13, 983. Prime factorization of 25558 in exponential form is:

25558 = 2¹ × 13¹ × 983¹

Step-2: Prime Factorization of 25568

Prime factors of 25568 are 2, 17, 47. Prime factorization of 25568 in exponential form is:

25568 = 2⁵ × 17¹ × 47¹

Step-3: Factors of 25558

List of positive integer factors of 25558 that divides 25558 without a remainder.

1, 2, 13, 26, 983, 1966, 12779

Step-4: Factors of 25568

List of positive integer factors of 25568 that divides 25558 without a remainder.

1, 2, 4, 8, 16, 17, 32, 34, 47, 68, 94, 136, 188, 272, 376, 544, 752, 799, 1504, 1598, 3196, 6392, 12784

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25558 and 25568. The biggest common factor number is the GCF number.
So the greatest common factor 25558 and 25568 is 2.

Also check out the Least Common Multiple of 25558 and 25568