What is the Greatest Common Factor of 11928 and 11945?

Greatest common factor (GCF) of 11928 and 11945 is 1.

GCF(11928,11945) = 1

We will now calculate the prime factors of 11928 and 11945, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11928 and 11945.

How to find the GCF of 11928 and 11945?

We will first find the prime factorization of 11928 and 11945. After we will calculate the factors of 11928 and 11945 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 11945

Prime factors of 11945 are 5, 2389. Prime factorization of 11945 in exponential form is:

11945 = 5¹ × 2389¹

Step-3: Factors of 11928

List of positive integer factors of 11928 that divides 11928 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

Step-4: Factors of 11945

List of positive integer factors of 11945 that divides 11928 without a remainder.

1, 5, 2389

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11928 and 11945. The biggest common factor number is the GCF number.
So the greatest common factor 11928 and 11945 is 1.

Also check out the Least Common Multiple of 11928 and 11945