What is the Greatest Common Factor of 13781 and 13790?

Greatest common factor (GCF) of 13781 and 13790 is 1.

GCF(13781,13790) = 1

We will now calculate the prime factors of 13781 and 13790, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13781 and 13790.

How to find the GCF of 13781 and 13790?

We will first find the prime factorization of 13781 and 13790. After we will calculate the factors of 13781 and 13790 and find the biggest common factor number .

Step-1: Prime Factorization of 13781

Prime factors of 13781 are 13781. Prime factorization of 13781 in exponential form is:

13781 = 13781¹

Step-2: Prime Factorization of 13790

Prime factors of 13790 are 2, 5, 7, 197. Prime factorization of 13790 in exponential form is:

13790 = 2¹ × 5¹ × 7¹ × 197¹

Step-3: Factors of 13781

List of positive integer factors of 13781 that divides 13781 without a remainder.

Step-4: Factors of 13790

List of positive integer factors of 13790 that divides 13781 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 6895

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13781 and 13790. The biggest common factor number is the GCF number.
So the greatest common factor 13781 and 13790 is 1.

Also check out the Least Common Multiple of 13781 and 13790