What is the Greatest Common Factor of 21065 and 21082?

Greatest common factor (GCF) of 21065 and 21082 is 1.

GCF(21065,21082) = 1

We will now calculate the prime factors of 21065 and 21082, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21065 and 21082.

How to find the GCF of 21065 and 21082?

We will first find the prime factorization of 21065 and 21082. After we will calculate the factors of 21065 and 21082 and find the biggest common factor number .

Step-1: Prime Factorization of 21065

Prime factors of 21065 are 5, 11, 383. Prime factorization of 21065 in exponential form is:

21065 = 5¹ × 11¹ × 383¹

Step-2: Prime Factorization of 21082

Prime factors of 21082 are 2, 83, 127. Prime factorization of 21082 in exponential form is:

21082 = 2¹ × 83¹ × 127¹

Step-3: Factors of 21065

List of positive integer factors of 21065 that divides 21065 without a remainder.

1, 5, 11, 55, 383, 1915, 4213

Step-4: Factors of 21082

List of positive integer factors of 21082 that divides 21065 without a remainder.

1, 2, 83, 127, 166, 254, 10541

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21065 and 21082. The biggest common factor number is the GCF number.
So the greatest common factor 21065 and 21082 is 1.

Also check out the Least Common Multiple of 21065 and 21082