What is the Greatest Common Factor of 65709 and 65723?

Greatest common factor (GCF) of 65709 and 65723 is 7.

GCF(65709,65723) = 7

We will now calculate the prime factors of 65709 and 65723, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65709 and 65723.

How to find the GCF of 65709 and 65723?

We will first find the prime factorization of 65709 and 65723. After we will calculate the factors of 65709 and 65723 and find the biggest common factor number .

Step-1: Prime Factorization of 65709

Prime factors of 65709 are 3, 7, 149. Prime factorization of 65709 in exponential form is:

65709 = 3² × 7² × 149¹

Step-2: Prime Factorization of 65723

Prime factors of 65723 are 7, 41, 229. Prime factorization of 65723 in exponential form is:

65723 = 7¹ × 41¹ × 229¹

Step-3: Factors of 65709

List of positive integer factors of 65709 that divides 65709 without a remainder.

1, 3, 7, 9, 21, 49, 63, 147, 149, 441, 447, 1043, 1341, 3129, 7301, 9387, 21903

Step-4: Factors of 65723

List of positive integer factors of 65723 that divides 65709 without a remainder.

1, 7, 41, 229, 287, 1603, 9389

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65709 and 65723. The biggest common factor number is the GCF number.
So the greatest common factor 65709 and 65723 is 7.

Also check out the Least Common Multiple of 65709 and 65723