What is the Greatest Common Factor of 51021 and 51039?

Greatest common factor (GCF) of 51021 and 51039 is 9.

GCF(51021,51039) = 9

We will now calculate the prime factors of 51021 and 51039, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51021 and 51039.

How to find the GCF of 51021 and 51039?

We will first find the prime factorization of 51021 and 51039. After we will calculate the factors of 51021 and 51039 and find the biggest common factor number .

Step-1: Prime Factorization of 51021

Prime factors of 51021 are 3, 5669. Prime factorization of 51021 in exponential form is:

51021 = 3² × 5669¹

Step-2: Prime Factorization of 51039

Prime factors of 51039 are 3, 53, 107. Prime factorization of 51039 in exponential form is:

51039 = 3² × 53¹ × 107¹

Step-3: Factors of 51021

List of positive integer factors of 51021 that divides 51021 without a remainder.

1, 3, 9, 5669, 17007

Step-4: Factors of 51039

List of positive integer factors of 51039 that divides 51021 without a remainder.

1, 3, 9, 53, 107, 159, 321, 477, 963, 5671, 17013

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51021 and 51039. The biggest common factor number is the GCF number.
So the greatest common factor 51021 and 51039 is 9.

Also check out the Least Common Multiple of 51021 and 51039