What is the Greatest Common Factor of 20531 and 20536?

Greatest common factor (GCF) of 20531 and 20536 is 1.

GCF(20531,20536) = 1

We will now calculate the prime factors of 20531 and 20536, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20531 and 20536.

How to find the GCF of 20531 and 20536?

We will first find the prime factorization of 20531 and 20536. After we will calculate the factors of 20531 and 20536 and find the biggest common factor number .

Step-1: Prime Factorization of 20531

Prime factors of 20531 are 7, 419. Prime factorization of 20531 in exponential form is:

20531 = 7² × 419¹

Step-2: Prime Factorization of 20536

Prime factors of 20536 are 2, 17, 151. Prime factorization of 20536 in exponential form is:

20536 = 2³ × 17¹ × 151¹

Step-3: Factors of 20531

List of positive integer factors of 20531 that divides 20531 without a remainder.

1, 7, 49, 419, 2933

Step-4: Factors of 20536

List of positive integer factors of 20536 that divides 20531 without a remainder.

1, 2, 4, 8, 17, 34, 68, 136, 151, 302, 604, 1208, 2567, 5134, 10268

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20531 and 20536. The biggest common factor number is the GCF number.
So the greatest common factor 20531 and 20536 is 1.

Also check out the Least Common Multiple of 20531 and 20536