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What is the Greatest Common Factor of 42063 and 42081?

Greatest common factor (GCF) of 42063 and 42081 is 3.

GCF(42063,42081) = 3

We will now calculate the prime factors of 42063 and 42081, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42063 and 42081.

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How to find the GCF of 42063 and 42081?

We will first find the prime factorization of 42063 and 42081. After we will calculate the factors of 42063 and 42081 and find the biggest common factor number .

Step-1: Prime Factorization of 42063

Prime factors of 42063 are 3, 7, 2003. Prime factorization of 42063 in exponential form is:

42063 = 31 × 71 × 20031

Step-2: 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-3: Factors of 42063

List of positive integer factors of 42063 that divides 42063 without a remainder.

1, 3, 7, 21, 2003, 6009, 14021

Step-4: Factors of 42081

List of positive integer factors of 42081 that divides 42063 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42063 and 42081. The biggest common factor number is the GCF number.
So the greatest common factor 42063 and 42081 is 3.

Also check out the Least Common Multiple of 42063 and 42081