What is the Greatest Common Factor of 9857 and 9869?

Greatest common factor (GCF) of 9857 and 9869 is 1.

GCF(9857,9869) = 1

We will now calculate the prime factors of 9857 and 9869, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9857 and 9869.

How to find the GCF of 9857 and 9869?

We will first find the prime factorization of 9857 and 9869. After we will calculate the factors of 9857 and 9869 and find the biggest common factor number .

Step-1: Prime Factorization of 9857

Prime factors of 9857 are 9857. Prime factorization of 9857 in exponential form is:

9857 = 9857¹

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 9857

List of positive integer factors of 9857 that divides 9857 without a remainder.

Step-4: Factors of 9869

List of positive integer factors of 9869 that divides 9857 without a remainder.

1, 71, 139

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9857 and 9869. The biggest common factor number is the GCF number.
So the greatest common factor 9857 and 9869 is 1.

Also check out the Least Common Multiple of 9857 and 9869