What is the Greatest Common Factor of 5123 and 5140?

Greatest common factor (GCF) of 5123 and 5140 is 1.

GCF(5123,5140) = 1

We will now calculate the prime factors of 5123 and 5140, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5123 and 5140.

How to find the GCF of 5123 and 5140?

We will first find the prime factorization of 5123 and 5140. After we will calculate the factors of 5123 and 5140 and find the biggest common factor number .

Step-1: Prime Factorization of 5123

Prime factors of 5123 are 47, 109. Prime factorization of 5123 in exponential form is:

5123 = 47¹ × 109¹

Step-2: Prime Factorization of 5140

Prime factors of 5140 are 2, 5, 257. Prime factorization of 5140 in exponential form is:

5140 = 2² × 5¹ × 257¹

Step-3: Factors of 5123

List of positive integer factors of 5123 that divides 5123 without a remainder.

1, 47, 109

Step-4: Factors of 5140

List of positive integer factors of 5140 that divides 5123 without a remainder.

1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5123 and 5140. The biggest common factor number is the GCF number.
So the greatest common factor 5123 and 5140 is 1.

Also check out the Least Common Multiple of 5123 and 5140