What is the Greatest Common Factor of 20678 and 20683?

Greatest common factor (GCF) of 20678 and 20683 is 1.

GCF(20678,20683) = 1

We will now calculate the prime factors of 20678 and 20683, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20678 and 20683.

How to find the GCF of 20678 and 20683?

We will first find the prime factorization of 20678 and 20683. After we will calculate the factors of 20678 and 20683 and find the biggest common factor number .

Step-1: Prime Factorization of 20678

Prime factors of 20678 are 2, 7, 211. Prime factorization of 20678 in exponential form is:

20678 = 2¹ × 7² × 211¹

Step-2: Prime Factorization of 20683

Prime factors of 20683 are 13, 37, 43. Prime factorization of 20683 in exponential form is:

20683 = 13¹ × 37¹ × 43¹

Step-3: Factors of 20678

List of positive integer factors of 20678 that divides 20678 without a remainder.

1, 2, 7, 14, 49, 98, 211, 422, 1477, 2954, 10339

Step-4: Factors of 20683

List of positive integer factors of 20683 that divides 20678 without a remainder.

1, 13, 37, 43, 481, 559, 1591

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20678 and 20683. The biggest common factor number is the GCF number.
So the greatest common factor 20678 and 20683 is 1.

Also check out the Least Common Multiple of 20678 and 20683