What is the Greatest Common Factor of 13645 and 13665?

Greatest common factor (GCF) of 13645 and 13665 is 5.

GCF(13645,13665) = 5

We will now calculate the prime factors of 13645 and 13665, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13645 and 13665.

How to find the GCF of 13645 and 13665?

We will first find the prime factorization of 13645 and 13665. After we will calculate the factors of 13645 and 13665 and find the biggest common factor number .

Step-1: Prime Factorization of 13645

Prime factors of 13645 are 5, 2729. Prime factorization of 13645 in exponential form is:

13645 = 5¹ × 2729¹

Step-2: Prime Factorization of 13665

Prime factors of 13665 are 3, 5, 911. Prime factorization of 13665 in exponential form is:

13665 = 3¹ × 5¹ × 911¹

Step-3: Factors of 13645

List of positive integer factors of 13645 that divides 13645 without a remainder.

1, 5, 2729

Step-4: Factors of 13665

List of positive integer factors of 13665 that divides 13645 without a remainder.

1, 3, 5, 15, 911, 2733, 4555

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13645 and 13665. The biggest common factor number is the GCF number.
So the greatest common factor 13645 and 13665 is 5.

Also check out the Least Common Multiple of 13645 and 13665