GCF and LCM Calculator Logo

What is the Greatest Common Factor of 27638 and 27646?

Greatest common factor (GCF) of 27638 and 27646 is 2.

GCF(27638,27646) = 2

We will now calculate the prime factors of 27638 and 27646, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27638 and 27646.

GCF Calculator and
and

How to find the GCF of 27638 and 27646?

We will first find the prime factorization of 27638 and 27646. After we will calculate the factors of 27638 and 27646 and find the biggest common factor number .

Step-1: Prime Factorization of 27638

Prime factors of 27638 are 2, 13, 1063. Prime factorization of 27638 in exponential form is:

27638 = 21 × 131 × 10631

Step-2: Prime Factorization of 27646

Prime factors of 27646 are 2, 23, 601. Prime factorization of 27646 in exponential form is:

27646 = 21 × 231 × 6011

Step-3: Factors of 27638

List of positive integer factors of 27638 that divides 27638 without a remainder.

1, 2, 13, 26, 1063, 2126, 13819

Step-4: Factors of 27646

List of positive integer factors of 27646 that divides 27638 without a remainder.

1, 2, 23, 46, 601, 1202, 13823

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27638 and 27646. The biggest common factor number is the GCF number.
So the greatest common factor 27638 and 27646 is 2.

Also check out the Least Common Multiple of 27638 and 27646