What is the Greatest Common Factor of 17428 and 17442?

Greatest common factor (GCF) of 17428 and 17442 is 2.

GCF(17428,17442) = 2

We will now calculate the prime factors of 17428 and 17442, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17428 and 17442.

How to find the GCF of 17428 and 17442?

We will first find the prime factorization of 17428 and 17442. After we will calculate the factors of 17428 and 17442 and find the biggest common factor number .

Step-1: Prime Factorization of 17428

Prime factors of 17428 are 2, 4357. Prime factorization of 17428 in exponential form is:

17428 = 2² × 4357¹

Step-2: Prime Factorization of 17442

Prime factors of 17442 are 2, 3, 17, 19. Prime factorization of 17442 in exponential form is:

17442 = 2¹ × 3³ × 17¹ × 19¹

Step-3: Factors of 17428

List of positive integer factors of 17428 that divides 17428 without a remainder.

1, 2, 4, 4357, 8714

Step-4: Factors of 17442

List of positive integer factors of 17442 that divides 17428 without a remainder.

1, 2, 3, 6, 9, 17, 18, 19, 27, 34, 38, 51, 54, 57, 102, 114, 153, 171, 306, 323, 342, 459, 513, 646, 918, 969, 1026, 1938, 2907, 5814, 8721

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17428 and 17442. The biggest common factor number is the GCF number.
So the greatest common factor 17428 and 17442 is 2.

Also check out the Least Common Multiple of 17428 and 17442