What is the Greatest Common Factor of 11915 and 11928?

Greatest common factor (GCF) of 11915 and 11928 is 1.

GCF(11915,11928) = 1

We will now calculate the prime factors of 11915 and 11928, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11915 and 11928.

How to find the GCF of 11915 and 11928?

We will first find the prime factorization of 11915 and 11928. After we will calculate the factors of 11915 and 11928 and find the biggest common factor number .

Step-1: Prime Factorization of 11915

Prime factors of 11915 are 5, 2383. Prime factorization of 11915 in exponential form is:

11915 = 5¹ × 2383¹

Step-2: Prime Factorization of 11928

Prime factors of 11928 are 2, 3, 7, 71. Prime factorization of 11928 in exponential form is:

11928 = 2³ × 3¹ × 7¹ × 71¹

Step-3: Factors of 11915

List of positive integer factors of 11915 that divides 11915 without a remainder.

1, 5, 2383

Step-4: Factors of 11928

List of positive integer factors of 11928 that divides 11915 without a remainder.

1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 71, 84, 142, 168, 213, 284, 426, 497, 568, 852, 994, 1491, 1704, 1988, 2982, 3976, 5964

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11915 and 11928. The biggest common factor number is the GCF number.
So the greatest common factor 11915 and 11928 is 1.

Also check out the Least Common Multiple of 11915 and 11928