What is the Greatest Common Factor of 67856 and 67861?

Greatest common factor (GCF) of 67856 and 67861 is 1.

GCF(67856,67861) = 1

We will now calculate the prime factors of 67856 and 67861, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67856 and 67861.

How to find the GCF of 67856 and 67861?

We will first find the prime factorization of 67856 and 67861. After we will calculate the factors of 67856 and 67861 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 67861

Prime factors of 67861 are 79, 859. Prime factorization of 67861 in exponential form is:

67861 = 79¹ × 859¹

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 67861

List of positive integer factors of 67861 that divides 67856 without a remainder.

1, 79, 859

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67856 and 67861. The biggest common factor number is the GCF number.
So the greatest common factor 67856 and 67861 is 1.

Also check out the Least Common Multiple of 67856 and 67861