What is the Greatest Common Factor of 20707 and 20711?

Greatest common factor (GCF) of 20707 and 20711 is 1.

GCF(20707,20711) = 1

We will now calculate the prime factors of 20707 and 20711, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20707 and 20711.

How to find the GCF of 20707 and 20711?

We will first find the prime factorization of 20707 and 20711. After we will calculate the factors of 20707 and 20711 and find the biggest common factor number .

Step-1: Prime Factorization of 20707

Prime factors of 20707 are 20707. Prime factorization of 20707 in exponential form is:

20707 = 20707¹

Step-2: Prime Factorization of 20711

Prime factors of 20711 are 139, 149. Prime factorization of 20711 in exponential form is:

20711 = 139¹ × 149¹

Step-3: Factors of 20707

List of positive integer factors of 20707 that divides 20707 without a remainder.

Step-4: Factors of 20711

List of positive integer factors of 20711 that divides 20707 without a remainder.

1, 139, 149

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20707 and 20711. The biggest common factor number is the GCF number.
So the greatest common factor 20707 and 20711 is 1.

Also check out the Least Common Multiple of 20707 and 20711