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What is the Greatest Common Factor of 9861 and 9868?

Greatest common factor (GCF) of 9861 and 9868 is 1.

GCF(9861,9868) = 1

We will now calculate the prime factors of 9861 and 9868, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9861 and 9868.

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How to find the GCF of 9861 and 9868?

We will first find the prime factorization of 9861 and 9868. After we will calculate the factors of 9861 and 9868 and find the biggest common factor number .

Step-1: Prime Factorization of 9861

Prime factors of 9861 are 3, 19, 173. Prime factorization of 9861 in exponential form is:

9861 = 31 × 191 × 1731

Step-2: Prime Factorization of 9868

Prime factors of 9868 are 2, 2467. Prime factorization of 9868 in exponential form is:

9868 = 22 × 24671

Step-3: Factors of 9861

List of positive integer factors of 9861 that divides 9861 without a remainder.

1, 3, 19, 57, 173, 519, 3287

Step-4: Factors of 9868

List of positive integer factors of 9868 that divides 9861 without a remainder.

1, 2, 4, 2467, 4934

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9861 and 9868. The biggest common factor number is the GCF number.
So the greatest common factor 9861 and 9868 is 1.

Also check out the Least Common Multiple of 9861 and 9868