What is the Greatest Common Factor of 27700 and 27709?

Greatest common factor (GCF) of 27700 and 27709 is 1.

GCF(27700,27709) = 1

We will now calculate the prime factors of 27700 and 27709, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27700 and 27709.

How to find the GCF of 27700 and 27709?

We will first find the prime factorization of 27700 and 27709. After we will calculate the factors of 27700 and 27709 and find the biggest common factor number .

Step-1: Prime Factorization of 27700

Prime factors of 27700 are 2, 5, 277. Prime factorization of 27700 in exponential form is:

27700 = 2² × 5² × 277¹

Step-2: Prime Factorization of 27709

Prime factors of 27709 are 11, 229. Prime factorization of 27709 in exponential form is:

27709 = 11² × 229¹

Step-3: Factors of 27700

List of positive integer factors of 27700 that divides 27700 without a remainder.

1, 2, 4, 5, 10, 20, 25, 50, 100, 277, 554, 1108, 1385, 2770, 5540, 6925, 13850

Step-4: Factors of 27709

List of positive integer factors of 27709 that divides 27700 without a remainder.

1, 11, 121, 229, 2519

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27700 and 27709. The biggest common factor number is the GCF number.
So the greatest common factor 27700 and 27709 is 1.

Also check out the Least Common Multiple of 27700 and 27709