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What is the Greatest Common Factor of 39855 and 39871?

Greatest common factor (GCF) of 39855 and 39871 is 1.

GCF(39855,39871) = 1

We will now calculate the prime factors of 39855 and 39871, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39855 and 39871.

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How to find the GCF of 39855 and 39871?

We will first find the prime factorization of 39855 and 39871. After we will calculate the factors of 39855 and 39871 and find the biggest common factor number .

Step-1: Prime Factorization of 39855

Prime factors of 39855 are 3, 5, 2657. Prime factorization of 39855 in exponential form is:

39855 = 31 × 51 × 26571

Step-2: Prime Factorization of 39871

Prime factors of 39871 are 13, 3067. Prime factorization of 39871 in exponential form is:

39871 = 131 × 30671

Step-3: Factors of 39855

List of positive integer factors of 39855 that divides 39855 without a remainder.

1, 3, 5, 15, 2657, 7971, 13285

Step-4: Factors of 39871

List of positive integer factors of 39871 that divides 39855 without a remainder.

1, 13, 3067

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39855 and 39871. The biggest common factor number is the GCF number.
So the greatest common factor 39855 and 39871 is 1.

Also check out the Least Common Multiple of 39855 and 39871