What is the Greatest Common Factor of 27680 and 27691?

Greatest common factor (GCF) of 27680 and 27691 is 1.

GCF(27680,27691) = 1

We will now calculate the prime factors of 27680 and 27691, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27680 and 27691.

How to find the GCF of 27680 and 27691?

We will first find the prime factorization of 27680 and 27691. After we will calculate the factors of 27680 and 27691 and find the biggest common factor number .

Step-1: Prime Factorization of 27680

Prime factors of 27680 are 2, 5, 173. Prime factorization of 27680 in exponential form is:

27680 = 2⁵ × 5¹ × 173¹

Step-2: Prime Factorization of 27691

Prime factors of 27691 are 27691. Prime factorization of 27691 in exponential form is:

27691 = 27691¹

Step-3: Factors of 27680

List of positive integer factors of 27680 that divides 27680 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 5536, 6920, 13840

Step-4: Factors of 27691

List of positive integer factors of 27691 that divides 27680 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27680 and 27691. The biggest common factor number is the GCF number.
So the greatest common factor 27680 and 27691 is 1.

Also check out the Least Common Multiple of 27680 and 27691