What is the Greatest Common Factor of 55123 and 55138?

Greatest common factor (GCF) of 55123 and 55138 is 1.

GCF(55123,55138) = 1

We will now calculate the prime factors of 55123 and 55138, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55123 and 55138.

How to find the GCF of 55123 and 55138?

We will first find the prime factorization of 55123 and 55138. After we will calculate the factors of 55123 and 55138 and find the biggest common factor number .

Step-1: Prime Factorization of 55123

Prime factors of 55123 are 199, 277. Prime factorization of 55123 in exponential form is:

55123 = 199¹ × 277¹

Step-2: Prime Factorization of 55138

Prime factors of 55138 are 2, 19, 1451. Prime factorization of 55138 in exponential form is:

55138 = 2¹ × 19¹ × 1451¹

Step-3: Factors of 55123

List of positive integer factors of 55123 that divides 55123 without a remainder.

1, 199, 277

Step-4: Factors of 55138

List of positive integer factors of 55138 that divides 55123 without a remainder.

1, 2, 19, 38, 1451, 2902, 27569

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55123 and 55138. The biggest common factor number is the GCF number.
So the greatest common factor 55123 and 55138 is 1.

Also check out the Least Common Multiple of 55123 and 55138