GCF and LCM Calculator Logo

What is the Greatest Common Factor of 25628 and 25647?

Greatest common factor (GCF) of 25628 and 25647 is 1.

GCF(25628,25647) = 1

We will now calculate the prime factors of 25628 and 25647, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25628 and 25647.

GCF Calculator and
and

How to find the GCF of 25628 and 25647?

We will first find the prime factorization of 25628 and 25647. After we will calculate the factors of 25628 and 25647 and find the biggest common factor number .

Step-1: Prime Factorization of 25628

Prime factors of 25628 are 2, 43, 149. Prime factorization of 25628 in exponential form is:

25628 = 22 × 431 × 1491

Step-2: Prime Factorization of 25647

Prime factors of 25647 are 3, 83, 103. Prime factorization of 25647 in exponential form is:

25647 = 31 × 831 × 1031

Step-3: Factors of 25628

List of positive integer factors of 25628 that divides 25628 without a remainder.

1, 2, 4, 43, 86, 149, 172, 298, 596, 6407, 12814

Step-4: Factors of 25647

List of positive integer factors of 25647 that divides 25628 without a remainder.

1, 3, 83, 103, 249, 309, 8549

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25628 and 25647. The biggest common factor number is the GCF number.
So the greatest common factor 25628 and 25647 is 1.

Also check out the Least Common Multiple of 25628 and 25647