What is the Greatest Common Factor of 27897 and 27915?

Greatest common factor (GCF) of 27897 and 27915 is 3.

GCF(27897,27915) = 3

We will now calculate the prime factors of 27897 and 27915, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27897 and 27915.

How to find the GCF of 27897 and 27915?

We will first find the prime factorization of 27897 and 27915. After we will calculate the factors of 27897 and 27915 and find the biggest common factor number .

Step-1: Prime Factorization of 27897

Prime factors of 27897 are 3, 17, 547. Prime factorization of 27897 in exponential form is:

27897 = 3¹ × 17¹ × 547¹

Step-2: Prime Factorization of 27915

Prime factors of 27915 are 3, 5, 1861. Prime factorization of 27915 in exponential form is:

27915 = 3¹ × 5¹ × 1861¹

Step-3: Factors of 27897

List of positive integer factors of 27897 that divides 27897 without a remainder.

1, 3, 17, 51, 547, 1641, 9299

Step-4: Factors of 27915

List of positive integer factors of 27915 that divides 27897 without a remainder.

1, 3, 5, 15, 1861, 5583, 9305

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27897 and 27915. The biggest common factor number is the GCF number.
So the greatest common factor 27897 and 27915 is 3.

Also check out the Least Common Multiple of 27897 and 27915