What is the Greatest Common Factor of 18542 and 18558?

Greatest common factor (GCF) of 18542 and 18558 is 2.

GCF(18542,18558) = 2

We will now calculate the prime factors of 18542 and 18558, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18542 and 18558.

How to find the GCF of 18542 and 18558?

We will first find the prime factorization of 18542 and 18558. After we will calculate the factors of 18542 and 18558 and find the biggest common factor number .

Step-1: Prime Factorization of 18542

Prime factors of 18542 are 2, 73, 127. Prime factorization of 18542 in exponential form is:

18542 = 2¹ × 73¹ × 127¹

Step-2: Prime Factorization of 18558

Prime factors of 18558 are 2, 3, 1031. Prime factorization of 18558 in exponential form is:

18558 = 2¹ × 3² × 1031¹

Step-3: Factors of 18542

List of positive integer factors of 18542 that divides 18542 without a remainder.

1, 2, 73, 127, 146, 254, 9271

Step-4: Factors of 18558

List of positive integer factors of 18558 that divides 18542 without a remainder.

1, 2, 3, 6, 9, 18, 1031, 2062, 3093, 6186, 9279

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18542 and 18558. The biggest common factor number is the GCF number.
So the greatest common factor 18542 and 18558 is 2.

Also check out the Least Common Multiple of 18542 and 18558