What is the Greatest Common Factor of 25386 and 25398?

Greatest common factor (GCF) of 25386 and 25398 is 6.

GCF(25386,25398) = 6

We will now calculate the prime factors of 25386 and 25398, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25386 and 25398.

How to find the GCF of 25386 and 25398?

We will first find the prime factorization of 25386 and 25398. After we will calculate the factors of 25386 and 25398 and find the biggest common factor number .

Step-1: Prime Factorization of 25386

Prime factors of 25386 are 2, 3, 4231. Prime factorization of 25386 in exponential form is:

25386 = 2¹ × 3¹ × 4231¹

Step-2: Prime Factorization of 25398

Prime factors of 25398 are 2, 3, 17, 83. Prime factorization of 25398 in exponential form is:

25398 = 2¹ × 3² × 17¹ × 83¹

Step-3: Factors of 25386

List of positive integer factors of 25386 that divides 25386 without a remainder.

1, 2, 3, 6, 4231, 8462, 12693

Step-4: Factors of 25398

List of positive integer factors of 25398 that divides 25386 without a remainder.

1, 2, 3, 6, 9, 17, 18, 34, 51, 83, 102, 153, 166, 249, 306, 498, 747, 1411, 1494, 2822, 4233, 8466, 12699

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25386 and 25398. The biggest common factor number is the GCF number.
So the greatest common factor 25386 and 25398 is 6.

Also check out the Least Common Multiple of 25386 and 25398