What is the Greatest Common Factor of 25720 and 25731?

Greatest common factor (GCF) of 25720 and 25731 is 1.

GCF(25720,25731) = 1

We will now calculate the prime factors of 25720 and 25731, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25720 and 25731.

How to find the GCF of 25720 and 25731?

We will first find the prime factorization of 25720 and 25731. After we will calculate the factors of 25720 and 25731 and find the biggest common factor number .

Step-1: Prime Factorization of 25720

Prime factors of 25720 are 2, 5, 643. Prime factorization of 25720 in exponential form is:

25720 = 2³ × 5¹ × 643¹

Step-2: Prime Factorization of 25731

Prime factors of 25731 are 3, 953. Prime factorization of 25731 in exponential form is:

25731 = 3³ × 953¹

Step-3: Factors of 25720

List of positive integer factors of 25720 that divides 25720 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 5144, 6430, 12860

Step-4: Factors of 25731

List of positive integer factors of 25731 that divides 25720 without a remainder.

1, 3, 9, 27, 953, 2859, 8577

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25720 and 25731. The biggest common factor number is the GCF number.
So the greatest common factor 25720 and 25731 is 1.

Also check out the Least Common Multiple of 25720 and 25731