What is the Greatest Common Factor of 84861 and 84865?

Greatest common factor (GCF) of 84861 and 84865 is 1.

GCF(84861,84865) = 1

We will now calculate the prime factors of 84861 and 84865, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 84861 and 84865.

How to find the GCF of 84861 and 84865?

We will first find the prime factorization of 84861 and 84865. After we will calculate the factors of 84861 and 84865 and find the biggest common factor number .

Step-1: Prime Factorization of 84861

Prime factors of 84861 are 3, 7, 449. Prime factorization of 84861 in exponential form is:

84861 = 3³ × 7¹ × 449¹

Step-2: Prime Factorization of 84865

Prime factors of 84865 are 5, 11, 1543. Prime factorization of 84865 in exponential form is:

84865 = 5¹ × 11¹ × 1543¹

Step-3: Factors of 84861

List of positive integer factors of 84861 that divides 84861 without a remainder.

1, 3, 7, 9, 21, 27, 63, 189, 449, 1347, 3143, 4041, 9429, 12123, 28287

Step-4: Factors of 84865

List of positive integer factors of 84865 that divides 84861 without a remainder.

1, 5, 11, 55, 1543, 7715, 16973

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 84861 and 84865. The biggest common factor number is the GCF number.
So the greatest common factor 84861 and 84865 is 1.

Also check out the Least Common Multiple of 84861 and 84865