What is the Greatest Common Factor of 42539 and 42558?

Greatest common factor (GCF) of 42539 and 42558 is 1.

GCF(42539,42558) = 1

We will now calculate the prime factors of 42539 and 42558, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42539 and 42558.

How to find the GCF of 42539 and 42558?

We will first find the prime factorization of 42539 and 42558. After we will calculate the factors of 42539 and 42558 and find the biggest common factor number .

Step-1: Prime Factorization of 42539

Prime factors of 42539 are 7, 59, 103. Prime factorization of 42539 in exponential form is:

42539 = 7¹ × 59¹ × 103¹

Step-2: Prime Factorization of 42558

Prime factors of 42558 are 2, 3, 41, 173. Prime factorization of 42558 in exponential form is:

42558 = 2¹ × 3¹ × 41¹ × 173¹

Step-3: Factors of 42539

List of positive integer factors of 42539 that divides 42539 without a remainder.

1, 7, 59, 103, 413, 721, 6077

Step-4: Factors of 42558

List of positive integer factors of 42558 that divides 42539 without a remainder.

1, 2, 3, 6, 41, 82, 123, 173, 246, 346, 519, 1038, 7093, 14186, 21279

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42539 and 42558. The biggest common factor number is the GCF number.
So the greatest common factor 42539 and 42558 is 1.

Also check out the Least Common Multiple of 42539 and 42558