GCF and LCM Calculator Logo

What is the Greatest Common Factor of 20765 and 20783?

Greatest common factor (GCF) of 20765 and 20783 is 1.

GCF(20765,20783) = 1

We will now calculate the prime factors of 20765 and 20783, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20765 and 20783.

GCF Calculator and
and

How to find the GCF of 20765 and 20783?

We will first find the prime factorization of 20765 and 20783. After we will calculate the factors of 20765 and 20783 and find the biggest common factor number .

Step-1: Prime Factorization of 20765

Prime factors of 20765 are 5, 4153. Prime factorization of 20765 in exponential form is:

20765 = 51 × 41531

Step-2: Prime Factorization of 20783

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

20783 = 71 × 29691

Step-3: Factors of 20765

List of positive integer factors of 20765 that divides 20765 without a remainder.

1, 5, 4153

Step-4: Factors of 20783

List of positive integer factors of 20783 that divides 20765 without a remainder.

1, 7, 2969

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20765 and 20783. The biggest common factor number is the GCF number.
So the greatest common factor 20765 and 20783 is 1.

Also check out the Least Common Multiple of 20765 and 20783