What is the Greatest Common Factor of 69021 and 69039?

Greatest common factor (GCF) of 69021 and 69039 is 9.

GCF(69021,69039) = 9

We will now calculate the prime factors of 69021 and 69039, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69021 and 69039.

How to find the GCF of 69021 and 69039?

We will first find the prime factorization of 69021 and 69039. After we will calculate the factors of 69021 and 69039 and find the biggest common factor number .

Step-1: Prime Factorization of 69021

Prime factors of 69021 are 3, 7669. Prime factorization of 69021 in exponential form is:

69021 = 3² × 7669¹

Step-2: Prime Factorization of 69039

Prime factors of 69039 are 3, 2557. Prime factorization of 69039 in exponential form is:

69039 = 3³ × 2557¹

Step-3: Factors of 69021

List of positive integer factors of 69021 that divides 69021 without a remainder.

1, 3, 9, 7669, 23007

Step-4: Factors of 69039

List of positive integer factors of 69039 that divides 69021 without a remainder.

1, 3, 9, 27, 2557, 7671, 23013

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69021 and 69039. The biggest common factor number is the GCF number.
So the greatest common factor 69021 and 69039 is 9.

Also check out the Least Common Multiple of 69021 and 69039