What is the Greatest Common Factor of 20085 and 20102?

Greatest common factor (GCF) of 20085 and 20102 is 1.

GCF(20085,20102) = 1

We will now calculate the prime factors of 20085 and 20102, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20085 and 20102.

How to find the GCF of 20085 and 20102?

We will first find the prime factorization of 20085 and 20102. After we will calculate the factors of 20085 and 20102 and find the biggest common factor number .

Step-1: Prime Factorization of 20085

Prime factors of 20085 are 3, 5, 13, 103. Prime factorization of 20085 in exponential form is:

20085 = 3¹ × 5¹ × 13¹ × 103¹

Step-2: Prime Factorization of 20102

Prime factors of 20102 are 2, 19, 23. Prime factorization of 20102 in exponential form is:

20102 = 2¹ × 19¹ × 23²

Step-3: Factors of 20085

List of positive integer factors of 20085 that divides 20085 without a remainder.

1, 3, 5, 13, 15, 39, 65, 103, 195, 309, 515, 1339, 1545, 4017, 6695

Step-4: Factors of 20102

List of positive integer factors of 20102 that divides 20085 without a remainder.

1, 2, 19, 23, 38, 46, 437, 529, 874, 1058, 10051

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20085 and 20102. The biggest common factor number is the GCF number.
So the greatest common factor 20085 and 20102 is 1.

Also check out the Least Common Multiple of 20085 and 20102