What is the Greatest Common Factor of 25712 and 25720?

Greatest common factor (GCF) of 25712 and 25720 is 8.

GCF(25712,25720) = 8

We will now calculate the prime factors of 25712 and 25720, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25712 and 25720.

How to find the GCF of 25712 and 25720?

We will first find the prime factorization of 25712 and 25720. After we will calculate the factors of 25712 and 25720 and find the biggest common factor number .

Step-1: Prime Factorization of 25712

Prime factors of 25712 are 2, 1607. Prime factorization of 25712 in exponential form is:

25712 = 2⁴ × 1607¹

Step-2: 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-3: Factors of 25712

List of positive integer factors of 25712 that divides 25712 without a remainder.

1, 2, 4, 8, 16, 1607, 3214, 6428, 12856

Step-4: Factors of 25720

List of positive integer factors of 25720 that divides 25712 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25712 and 25720. The biggest common factor number is the GCF number.
So the greatest common factor 25712 and 25720 is 8.

Also check out the Least Common Multiple of 25712 and 25720