What is the Greatest Common Factor of 20783 and 20791?

Greatest common factor (GCF) of 20783 and 20791 is 1.

GCF(20783,20791) = 1

We will now calculate the prime factors of 20783 and 20791, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20783 and 20791.

How to find the GCF of 20783 and 20791?

We will first find the prime factorization of 20783 and 20791. After we will calculate the factors of 20783 and 20791 and find the biggest common factor number .

Step-1: Prime Factorization of 20783

Prime factors of 20783 are 7, 2969. Prime factorization of 20783 in exponential form is:

20783 = 7¹ × 2969¹

Step-2: Prime Factorization of 20791

Prime factors of 20791 are 17, 1223. Prime factorization of 20791 in exponential form is:

20791 = 17¹ × 1223¹

Step-3: Factors of 20783

List of positive integer factors of 20783 that divides 20783 without a remainder.

1, 7, 2969

Step-4: Factors of 20791

List of positive integer factors of 20791 that divides 20783 without a remainder.

1, 17, 1223

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20783 and 20791. The biggest common factor number is the GCF number.
So the greatest common factor 20783 and 20791 is 1.

Also check out the Least Common Multiple of 20783 and 20791