What is the Greatest Common Factor of 20471 and 20482?

Greatest common factor (GCF) of 20471 and 20482 is 11.

GCF(20471,20482) = 11

We will now calculate the prime factors of 20471 and 20482, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20471 and 20482.

How to find the GCF of 20471 and 20482?

We will first find the prime factorization of 20471 and 20482. After we will calculate the factors of 20471 and 20482 and find the biggest common factor number .

Step-1: Prime Factorization of 20471

Prime factors of 20471 are 11, 1861. Prime factorization of 20471 in exponential form is:

20471 = 11¹ × 1861¹

Step-2: Prime Factorization of 20482

Prime factors of 20482 are 2, 7, 11, 19. Prime factorization of 20482 in exponential form is:

20482 = 2¹ × 7² × 11¹ × 19¹

Step-3: Factors of 20471

List of positive integer factors of 20471 that divides 20471 without a remainder.

1, 11, 1861

Step-4: Factors of 20482

List of positive integer factors of 20482 that divides 20471 without a remainder.

1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 133, 154, 209, 266, 418, 539, 931, 1078, 1463, 1862, 2926, 10241

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20471 and 20482. The biggest common factor number is the GCF number.
So the greatest common factor 20471 and 20482 is 11.

Also check out the Least Common Multiple of 20471 and 20482