What is the Greatest Common Factor of 38685 and 38691?

Greatest common factor (GCF) of 38685 and 38691 is 3.

GCF(38685,38691) = 3

We will now calculate the prime factors of 38685 and 38691, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38685 and 38691.

How to find the GCF of 38685 and 38691?

We will first find the prime factorization of 38685 and 38691. After we will calculate the factors of 38685 and 38691 and find the biggest common factor number .

Step-1: Prime Factorization of 38685

Prime factors of 38685 are 3, 5, 2579. Prime factorization of 38685 in exponential form is:

38685 = 3¹ × 5¹ × 2579¹

Step-2: Prime Factorization of 38691

Prime factors of 38691 are 3, 1433. Prime factorization of 38691 in exponential form is:

38691 = 3³ × 1433¹

Step-3: Factors of 38685

List of positive integer factors of 38685 that divides 38685 without a remainder.

1, 3, 5, 15, 2579, 7737, 12895

Step-4: Factors of 38691

List of positive integer factors of 38691 that divides 38685 without a remainder.

1, 3, 9, 27, 1433, 4299, 12897

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38685 and 38691. The biggest common factor number is the GCF number.
So the greatest common factor 38685 and 38691 is 3.

Also check out the Least Common Multiple of 38685 and 38691