What is the Greatest Common Factor of 32780 and 32791?

Greatest common factor (GCF) of 32780 and 32791 is 11.

GCF(32780,32791) = 11

We will now calculate the prime factors of 32780 and 32791, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 32780 and 32791.

How to find the GCF of 32780 and 32791?

We will first find the prime factorization of 32780 and 32791. After we will calculate the factors of 32780 and 32791 and find the biggest common factor number .

Step-1: Prime Factorization of 32780

Prime factors of 32780 are 2, 5, 11, 149. Prime factorization of 32780 in exponential form is:

32780 = 2² × 5¹ × 11¹ × 149¹

Step-2: Prime Factorization of 32791

Prime factors of 32791 are 11, 271. Prime factorization of 32791 in exponential form is:

32791 = 11² × 271¹

Step-3: Factors of 32780

List of positive integer factors of 32780 that divides 32780 without a remainder.

1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 2980, 3278, 6556, 8195, 16390

Step-4: Factors of 32791

List of positive integer factors of 32791 that divides 32780 without a remainder.

1, 11, 121, 271, 2981

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 32780 and 32791. The biggest common factor number is the GCF number.
So the greatest common factor 32780 and 32791 is 11.

Also check out the Least Common Multiple of 32780 and 32791