What is the Greatest Common Factor of 9858 and 9869?

Greatest common factor (GCF) of 9858 and 9869 is 1.

GCF(9858,9869) = 1

We will now calculate the prime factors of 9858 and 9869, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9858 and 9869.

How to find the GCF of 9858 and 9869?

We will first find the prime factorization of 9858 and 9869. After we will calculate the factors of 9858 and 9869 and find the biggest common factor number .

Step-1: Prime Factorization of 9858

Prime factors of 9858 are 2, 3, 31, 53. Prime factorization of 9858 in exponential form is:

9858 = 2¹ × 3¹ × 31¹ × 53¹

Step-2: Prime Factorization of 9869

Prime factors of 9869 are 71, 139. Prime factorization of 9869 in exponential form is:

9869 = 71¹ × 139¹

Step-3: Factors of 9858

List of positive integer factors of 9858 that divides 9858 without a remainder.

1, 2, 3, 6, 31, 53, 62, 93, 106, 159, 186, 318, 1643, 3286, 4929

Step-4: Factors of 9869

List of positive integer factors of 9869 that divides 9858 without a remainder.

1, 71, 139

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9858 and 9869. The biggest common factor number is the GCF number.
So the greatest common factor 9858 and 9869 is 1.

Also check out the Least Common Multiple of 9858 and 9869