What is the Greatest Common Factor of 67856 and 67868?

Greatest common factor (GCF) of 67856 and 67868 is 4.

GCF(67856,67868) = 4

We will now calculate the prime factors of 67856 and 67868, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67856 and 67868.

How to find the GCF of 67856 and 67868?

We will first find the prime factorization of 67856 and 67868. After we will calculate the factors of 67856 and 67868 and find the biggest common factor number .

Step-1: Prime Factorization of 67856

Prime factors of 67856 are 2, 4241. Prime factorization of 67856 in exponential form is:

67856 = 2⁴ × 4241¹

Step-2: Prime Factorization of 67868

Prime factors of 67868 are 2, 19, 47. Prime factorization of 67868 in exponential form is:

67868 = 2² × 19² × 47¹

Step-3: Factors of 67856

List of positive integer factors of 67856 that divides 67856 without a remainder.

1, 2, 4, 8, 16, 4241, 8482, 16964, 33928

Step-4: Factors of 67868

List of positive integer factors of 67868 that divides 67856 without a remainder.

1, 2, 4, 19, 38, 47, 76, 94, 188, 361, 722, 893, 1444, 1786, 3572, 16967, 33934

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67856 and 67868. The biggest common factor number is the GCF number.
So the greatest common factor 67856 and 67868 is 4.

Also check out the Least Common Multiple of 67856 and 67868