What is the Greatest Common Factor of 11856 and 11872?

Greatest common factor (GCF) of 11856 and 11872 is 16.

GCF(11856,11872) = 16

We will now calculate the prime factors of 11856 and 11872, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11856 and 11872.

How to find the GCF of 11856 and 11872?

We will first find the prime factorization of 11856 and 11872. After we will calculate the factors of 11856 and 11872 and find the biggest common factor number .

Step-1: Prime Factorization of 11856

Prime factors of 11856 are 2, 3, 13, 19. Prime factorization of 11856 in exponential form is:

11856 = 2⁴ × 3¹ × 13¹ × 19¹

Step-2: Prime Factorization of 11872

Prime factors of 11872 are 2, 7, 53. Prime factorization of 11872 in exponential form is:

11872 = 2⁵ × 7¹ × 53¹

Step-3: Factors of 11856

List of positive integer factors of 11856 that divides 11856 without a remainder.

1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 456, 494, 624, 741, 912, 988, 1482, 1976, 2964, 3952, 5928

Step-4: Factors of 11872

List of positive integer factors of 11872 that divides 11856 without a remainder.

1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 106, 112, 212, 224, 371, 424, 742, 848, 1484, 1696, 2968, 5936

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11856 and 11872. The biggest common factor number is the GCF number.
So the greatest common factor 11856 and 11872 is 16.

Also check out the Least Common Multiple of 11856 and 11872