What is the Greatest Common Factor of 915 and 919?

Greatest common factor (GCF) of 915 and 919 is 1.

GCF(915,919) = 1

We will now calculate the prime factors of 915 and 919, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 915 and 919.

How to find the GCF of 915 and 919?

We will first find the prime factorization of 915 and 919. After we will calculate the factors of 915 and 919 and find the biggest common factor number .

Step-1: Prime Factorization of 915

Prime factors of 915 are 3, 5, 61. Prime factorization of 915 in exponential form is:

915 = 3¹ × 5¹ × 61¹

Step-2: Prime Factorization of 919

Prime factors of 919 are 919. Prime factorization of 919 in exponential form is:

919 = 919¹

Step-3: Factors of 915

List of positive integer factors of 915 that divides 915 without a remainder.

1, 3, 5, 15, 61, 183, 305

Step-4: Factors of 919

List of positive integer factors of 919 that divides 915 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 915 and 919. The biggest common factor number is the GCF number.
So the greatest common factor 915 and 919 is 1.

Also check out the Least Common Multiple of 915 and 919