What is the Greatest Common Factor of 20795 and 20812?

Greatest common factor (GCF) of 20795 and 20812 is 1.

GCF(20795,20812) = 1

We will now calculate the prime factors of 20795 and 20812, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20795 and 20812.

How to find the GCF of 20795 and 20812?

We will first find the prime factorization of 20795 and 20812. After we will calculate the factors of 20795 and 20812 and find the biggest common factor number .

Step-1: Prime Factorization of 20795

Prime factors of 20795 are 5, 4159. Prime factorization of 20795 in exponential form is:

20795 = 5¹ × 4159¹

Step-2: Prime Factorization of 20812

Prime factors of 20812 are 2, 11, 43. Prime factorization of 20812 in exponential form is:

20812 = 2² × 11² × 43¹

Step-3: Factors of 20795

List of positive integer factors of 20795 that divides 20795 without a remainder.

1, 5, 4159

Step-4: Factors of 20812

List of positive integer factors of 20812 that divides 20795 without a remainder.

1, 2, 4, 11, 22, 43, 44, 86, 121, 172, 242, 473, 484, 946, 1892, 5203, 10406

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20795 and 20812. The biggest common factor number is the GCF number.
So the greatest common factor 20795 and 20812 is 1.

Also check out the Least Common Multiple of 20795 and 20812