What is the Greatest Common Factor of 13780 and 13791?

Greatest common factor (GCF) of 13780 and 13791 is 1.

GCF(13780,13791) = 1

We will now calculate the prime factors of 13780 and 13791, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13780 and 13791.

How to find the GCF of 13780 and 13791?

We will first find the prime factorization of 13780 and 13791. After we will calculate the factors of 13780 and 13791 and find the biggest common factor number .

Step-1: Prime Factorization of 13780

Prime factors of 13780 are 2, 5, 13, 53. Prime factorization of 13780 in exponential form is:

13780 = 2² × 5¹ × 13¹ × 53¹

Step-2: Prime Factorization of 13791

Prime factors of 13791 are 3, 4597. Prime factorization of 13791 in exponential form is:

13791 = 3¹ × 4597¹

Step-3: Factors of 13780

List of positive integer factors of 13780 that divides 13780 without a remainder.

1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890

Step-4: Factors of 13791

List of positive integer factors of 13791 that divides 13780 without a remainder.

1, 3, 4597

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13780 and 13791. The biggest common factor number is the GCF number.
So the greatest common factor 13780 and 13791 is 1.

Also check out the Least Common Multiple of 13780 and 13791