What is the Greatest Common Factor of 25891 and 25900?

Greatest common factor (GCF) of 25891 and 25900 is 1.

GCF(25891,25900) = 1

We will now calculate the prime factors of 25891 and 25900, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25891 and 25900.

How to find the GCF of 25891 and 25900?

We will first find the prime factorization of 25891 and 25900. After we will calculate the factors of 25891 and 25900 and find the biggest common factor number .

Step-1: Prime Factorization of 25891

Prime factors of 25891 are 17, 1523. Prime factorization of 25891 in exponential form is:

25891 = 17¹ × 1523¹

Step-2: Prime Factorization of 25900

Prime factors of 25900 are 2, 5, 7, 37. Prime factorization of 25900 in exponential form is:

25900 = 2² × 5² × 7¹ × 37¹

Step-3: Factors of 25891

List of positive integer factors of 25891 that divides 25891 without a remainder.

1, 17, 1523

Step-4: Factors of 25900

List of positive integer factors of 25900 that divides 25891 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 50, 70, 74, 100, 140, 148, 175, 185, 259, 350, 370, 518, 700, 740, 925, 1036, 1295, 1850, 2590, 3700, 5180, 6475, 12950

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25891 and 25900. The biggest common factor number is the GCF number.
So the greatest common factor 25891 and 25900 is 1.

Also check out the Least Common Multiple of 25891 and 25900