What is the Greatest Common Factor of 13645 and 13655?

Greatest common factor (GCF) of 13645 and 13655 is 5.

GCF(13645,13655) = 5

We will now calculate the prime factors of 13645 and 13655, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13645 and 13655.

How to find the GCF of 13645 and 13655?

We will first find the prime factorization of 13645 and 13655. After we will calculate the factors of 13645 and 13655 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 13655

Prime factors of 13655 are 5, 2731. Prime factorization of 13655 in exponential form is:

13655 = 5¹ × 2731¹

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 13655

List of positive integer factors of 13655 that divides 13645 without a remainder.

1, 5, 2731

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13645 and 13655. The biggest common factor number is the GCF number.
So the greatest common factor 13645 and 13655 is 5.

Also check out the Least Common Multiple of 13645 and 13655