What is the Greatest Common Factor of 69291 and 69309?

Greatest common factor (GCF) of 69291 and 69309 is 9.

GCF(69291,69309) = 9

We will now calculate the prime factors of 69291 and 69309, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69291 and 69309.

How to find the GCF of 69291 and 69309?

We will first find the prime factorization of 69291 and 69309. After we will calculate the factors of 69291 and 69309 and find the biggest common factor number .

Step-1: Prime Factorization of 69291

Prime factors of 69291 are 3, 7699. Prime factorization of 69291 in exponential form is:

69291 = 3² × 7699¹

Step-2: Prime Factorization of 69309

Prime factors of 69309 are 3, 17, 151. Prime factorization of 69309 in exponential form is:

69309 = 3³ × 17¹ × 151¹

Step-3: Factors of 69291

List of positive integer factors of 69291 that divides 69291 without a remainder.

1, 3, 9, 7699, 23097

Step-4: Factors of 69309

List of positive integer factors of 69309 that divides 69291 without a remainder.

1, 3, 9, 17, 27, 51, 151, 153, 453, 459, 1359, 2567, 4077, 7701, 23103

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69291 and 69309. The biggest common factor number is the GCF number.
So the greatest common factor 69291 and 69309 is 9.

Also check out the Least Common Multiple of 69291 and 69309