What is the Greatest Common Factor of 25564 and 25568?

Greatest common factor (GCF) of 25564 and 25568 is 4.

GCF(25564,25568) = 4

We will now calculate the prime factors of 25564 and 25568, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25564 and 25568.

How to find the GCF of 25564 and 25568?

We will first find the prime factorization of 25564 and 25568. After we will calculate the factors of 25564 and 25568 and find the biggest common factor number .

Step-1: Prime Factorization of 25564

Prime factors of 25564 are 2, 7, 11, 83. Prime factorization of 25564 in exponential form is:

25564 = 2² × 7¹ × 11¹ × 83¹

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 25564

List of positive integer factors of 25564 that divides 25564 without a remainder.

1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 83, 154, 166, 308, 332, 581, 913, 1162, 1826, 2324, 3652, 6391, 12782

Step-4: Factors of 25568

List of positive integer factors of 25568 that divides 25564 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 25564 and 25568. The biggest common factor number is the GCF number.
So the greatest common factor 25564 and 25568 is 4.

Also check out the Least Common Multiple of 25564 and 25568