What is the Greatest Common Factor of 5140 and 5156?

Greatest common factor (GCF) of 5140 and 5156 is 4.

GCF(5140,5156) = 4

We will now calculate the prime factors of 5140 and 5156, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5140 and 5156.

How to find the GCF of 5140 and 5156?

We will first find the prime factorization of 5140 and 5156. After we will calculate the factors of 5140 and 5156 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 5156

Prime factors of 5156 are 2, 1289. Prime factorization of 5156 in exponential form is:

5156 = 2² × 1289¹

Step-3: Factors of 5140

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

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

Step-4: Factors of 5156

List of positive integer factors of 5156 that divides 5140 without a remainder.

1, 2, 4, 1289, 2578

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5140 and 5156. The biggest common factor number is the GCF number.
So the greatest common factor 5140 and 5156 is 4.

Also check out the Least Common Multiple of 5140 and 5156