What is the Greatest Common Factor of 20474 and 20482?

Greatest common factor (GCF) of 20474 and 20482 is 2.

GCF(20474,20482) = 2

We will now calculate the prime factors of 20474 and 20482, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20474 and 20482.

How to find the GCF of 20474 and 20482?

We will first find the prime factorization of 20474 and 20482. After we will calculate the factors of 20474 and 20482 and find the biggest common factor number .

Step-1: Prime Factorization of 20474

Prime factors of 20474 are 2, 29, 353. Prime factorization of 20474 in exponential form is:

20474 = 2¹ × 29¹ × 353¹

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 20474

List of positive integer factors of 20474 that divides 20474 without a remainder.

1, 2, 29, 58, 353, 706, 10237

Step-4: Factors of 20482

List of positive integer factors of 20482 that divides 20474 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 20474 and 20482. The biggest common factor number is the GCF number.
So the greatest common factor 20474 and 20482 is 2.

Also check out the Least Common Multiple of 20474 and 20482