What is the Greatest Common Factor of 65721 and 65739?

Greatest common factor (GCF) of 65721 and 65739 is 3.

GCF(65721,65739) = 3

We will now calculate the prime factors of 65721 and 65739, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65721 and 65739.

How to find the GCF of 65721 and 65739?

We will first find the prime factorization of 65721 and 65739. After we will calculate the factors of 65721 and 65739 and find the biggest common factor number .

Step-1: Prime Factorization of 65721

Prime factors of 65721 are 3, 19, 1153. Prime factorization of 65721 in exponential form is:

65721 = 3¹ × 19¹ × 1153¹

Step-2: Prime Factorization of 65739

Prime factors of 65739 are 3, 17, 1289. Prime factorization of 65739 in exponential form is:

65739 = 3¹ × 17¹ × 1289¹

Step-3: Factors of 65721

List of positive integer factors of 65721 that divides 65721 without a remainder.

1, 3, 19, 57, 1153, 3459, 21907

Step-4: Factors of 65739

List of positive integer factors of 65739 that divides 65721 without a remainder.

1, 3, 17, 51, 1289, 3867, 21913

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65721 and 65739. The biggest common factor number is the GCF number.
So the greatest common factor 65721 and 65739 is 3.

Also check out the Least Common Multiple of 65721 and 65739