What is the Greatest Common Factor of 6915 and 6925?

Greatest common factor (GCF) of 6915 and 6925 is 5.

GCF(6915,6925) = 5

We will now calculate the prime factors of 6915 and 6925, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6915 and 6925.

How to find the GCF of 6915 and 6925?

We will first find the prime factorization of 6915 and 6925. After we will calculate the factors of 6915 and 6925 and find the biggest common factor number .

Step-1: Prime Factorization of 6915

Prime factors of 6915 are 3, 5, 461. Prime factorization of 6915 in exponential form is:

6915 = 3¹ × 5¹ × 461¹

Step-2: Prime Factorization of 6925

Prime factors of 6925 are 5, 277. Prime factorization of 6925 in exponential form is:

6925 = 5² × 277¹

Step-3: Factors of 6915

List of positive integer factors of 6915 that divides 6915 without a remainder.

1, 3, 5, 15, 461, 1383, 2305

Step-4: Factors of 6925

List of positive integer factors of 6925 that divides 6915 without a remainder.

1, 5, 25, 277, 1385

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6915 and 6925. The biggest common factor number is the GCF number.
So the greatest common factor 6915 and 6925 is 5.

Also check out the Least Common Multiple of 6915 and 6925