What is the Greatest Common Factor of 25520 and 25538?

Greatest common factor (GCF) of 25520 and 25538 is 2.

GCF(25520,25538) = 2

We will now calculate the prime factors of 25520 and 25538, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25520 and 25538.

How to find the GCF of 25520 and 25538?

We will first find the prime factorization of 25520 and 25538. After we will calculate the factors of 25520 and 25538 and find the biggest common factor number .

Step-1: Prime Factorization of 25520

Prime factors of 25520 are 2, 5, 11, 29. Prime factorization of 25520 in exponential form is:

25520 = 2⁴ × 5¹ × 11¹ × 29¹

Step-2: Prime Factorization of 25538

Prime factors of 25538 are 2, 113. Prime factorization of 25538 in exponential form is:

25538 = 2¹ × 113²

Step-3: Factors of 25520

List of positive integer factors of 25520 that divides 25520 without a remainder.

1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3190, 5104, 6380, 12760

Step-4: Factors of 25538

List of positive integer factors of 25538 that divides 25520 without a remainder.

1, 2, 113, 226, 12769

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25520 and 25538. The biggest common factor number is the GCF number.
So the greatest common factor 25520 and 25538 is 2.

Also check out the Least Common Multiple of 25520 and 25538