What is the Greatest Common Factor of 75123 and 75139?

Greatest common factor (GCF) of 75123 and 75139 is 1.

GCF(75123,75139) = 1

We will now calculate the prime factors of 75123 and 75139, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75123 and 75139.

How to find the GCF of 75123 and 75139?

We will first find the prime factorization of 75123 and 75139. After we will calculate the factors of 75123 and 75139 and find the biggest common factor number .

Step-1: Prime Factorization of 75123

Prime factors of 75123 are 3, 17, 491. Prime factorization of 75123 in exponential form is:

75123 = 3² × 17¹ × 491¹

Step-2: Prime Factorization of 75139

Prime factors of 75139 are 29, 2591. Prime factorization of 75139 in exponential form is:

75139 = 29¹ × 2591¹

Step-3: Factors of 75123

List of positive integer factors of 75123 that divides 75123 without a remainder.

1, 3, 9, 17, 51, 153, 491, 1473, 4419, 8347, 25041

Step-4: Factors of 75139

List of positive integer factors of 75139 that divides 75123 without a remainder.

1, 29, 2591

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75123 and 75139. The biggest common factor number is the GCF number.
So the greatest common factor 75123 and 75139 is 1.

Also check out the Least Common Multiple of 75123 and 75139