What is the Greatest Common Factor of 65721 and 65727?

Greatest common factor (GCF) of 65721 and 65727 is 3.

GCF(65721,65727) = 3

We will now calculate the prime factors of 65721 and 65727, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65721 and 65727.

How to find the GCF of 65721 and 65727?

We will first find the prime factorization of 65721 and 65727. After we will calculate the factors of 65721 and 65727 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 65727

Prime factors of 65727 are 3, 67, 109. Prime factorization of 65727 in exponential form is:

65727 = 3² × 67¹ × 109¹

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 65727

List of positive integer factors of 65727 that divides 65721 without a remainder.

1, 3, 9, 67, 109, 201, 327, 603, 981, 7303, 21909

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65721 and 65727. The biggest common factor number is the GCF number.
So the greatest common factor 65721 and 65727 is 3.

Also check out the Least Common Multiple of 65721 and 65727