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What is the Greatest Common Factor of 42081 and 42099?

Greatest common factor (GCF) of 42081 and 42099 is 3.

GCF(42081,42099) = 3

We will now calculate the prime factors of 42081 and 42099, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42081 and 42099.

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How to find the GCF of 42081 and 42099?

We will first find the prime factorization of 42081 and 42099. After we will calculate the factors of 42081 and 42099 and find the biggest common factor number .

Step-1: Prime Factorization of 42081

Prime factors of 42081 are 3, 13, 83. Prime factorization of 42081 in exponential form is:

42081 = 31 × 132 × 831

Step-2: Prime Factorization of 42099

Prime factors of 42099 are 3, 14033. Prime factorization of 42099 in exponential form is:

42099 = 31 × 140331

Step-3: Factors of 42081

List of positive integer factors of 42081 that divides 42081 without a remainder.

1, 3, 13, 39, 83, 169, 249, 507, 1079, 3237, 14027

Step-4: Factors of 42099

List of positive integer factors of 42099 that divides 42081 without a remainder.

1, 3, 14033

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42081 and 42099. The biggest common factor number is the GCF number.
So the greatest common factor 42081 and 42099 is 3.

Also check out the Least Common Multiple of 42081 and 42099