GCF and LCM Calculator Logo

What is the Greatest Common Factor of 20632 and 20645?

Greatest common factor (GCF) of 20632 and 20645 is 1.

GCF(20632,20645) = 1

We will now calculate the prime factors of 20632 and 20645, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20632 and 20645.

GCF Calculator and
and

How to find the GCF of 20632 and 20645?

We will first find the prime factorization of 20632 and 20645. After we will calculate the factors of 20632 and 20645 and find the biggest common factor number .

Step-1: Prime Factorization of 20632

Prime factors of 20632 are 2, 2579. Prime factorization of 20632 in exponential form is:

20632 = 23 × 25791

Step-2: Prime Factorization of 20645

Prime factors of 20645 are 5, 4129. Prime factorization of 20645 in exponential form is:

20645 = 51 × 41291

Step-3: Factors of 20632

List of positive integer factors of 20632 that divides 20632 without a remainder.

1, 2, 4, 8, 2579, 5158, 10316

Step-4: Factors of 20645

List of positive integer factors of 20645 that divides 20632 without a remainder.

1, 5, 4129

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20632 and 20645. The biggest common factor number is the GCF number.
So the greatest common factor 20632 and 20645 is 1.

Also check out the Least Common Multiple of 20632 and 20645