GCF and LCM Calculator Logo

What is the Greatest Common Factor of 20794 and 20806?

Greatest common factor (GCF) of 20794 and 20806 is 2.

GCF(20794,20806) = 2

We will now calculate the prime factors of 20794 and 20806, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20794 and 20806.

GCF Calculator and
and

How to find the GCF of 20794 and 20806?

We will first find the prime factorization of 20794 and 20806. After we will calculate the factors of 20794 and 20806 and find the biggest common factor number .

Step-1: Prime Factorization of 20794

Prime factors of 20794 are 2, 37, 281. Prime factorization of 20794 in exponential form is:

20794 = 21 × 371 × 2811

Step-2: Prime Factorization of 20806

Prime factors of 20806 are 2, 101, 103. Prime factorization of 20806 in exponential form is:

20806 = 21 × 1011 × 1031

Step-3: Factors of 20794

List of positive integer factors of 20794 that divides 20794 without a remainder.

1, 2, 37, 74, 281, 562, 10397

Step-4: Factors of 20806

List of positive integer factors of 20806 that divides 20794 without a remainder.

1, 2, 101, 103, 202, 206, 10403

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20794 and 20806. The biggest common factor number is the GCF number.
So the greatest common factor 20794 and 20806 is 2.

Also check out the Least Common Multiple of 20794 and 20806