What is the Greatest Common Factor of 25658 and 25678?

Greatest common factor (GCF) of 25658 and 25678 is 2.

GCF(25658,25678) = 2

We will now calculate the prime factors of 25658 and 25678, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25658 and 25678.

How to find the GCF of 25658 and 25678?

We will first find the prime factorization of 25658 and 25678. After we will calculate the factors of 25658 and 25678 and find the biggest common factor number .

Step-1: Prime Factorization of 25658

Prime factors of 25658 are 2, 12829. Prime factorization of 25658 in exponential form is:

25658 = 2¹ × 12829¹

Step-2: Prime Factorization of 25678

Prime factors of 25678 are 2, 37, 347. Prime factorization of 25678 in exponential form is:

25678 = 2¹ × 37¹ × 347¹

Step-3: Factors of 25658

List of positive integer factors of 25658 that divides 25658 without a remainder.

1, 2, 12829

Step-4: Factors of 25678

List of positive integer factors of 25678 that divides 25658 without a remainder.

1, 2, 37, 74, 347, 694, 12839

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25658 and 25678. The biggest common factor number is the GCF number.
So the greatest common factor 25658 and 25678 is 2.

Also check out the Least Common Multiple of 25658 and 25678