What is the Greatest Common Factor of 5515 and 5530?

Greatest common factor (GCF) of 5515 and 5530 is 5.

GCF(5515,5530) = 5

We will now calculate the prime factors of 5515 and 5530, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5515 and 5530.

How to find the GCF of 5515 and 5530?

We will first find the prime factorization of 5515 and 5530. After we will calculate the factors of 5515 and 5530 and find the biggest common factor number .

Step-1: Prime Factorization of 5515

Prime factors of 5515 are 5, 1103. Prime factorization of 5515 in exponential form is:

5515 = 5¹ × 1103¹

Step-2: Prime Factorization of 5530

Prime factors of 5530 are 2, 5, 7, 79. Prime factorization of 5530 in exponential form is:

5530 = 2¹ × 5¹ × 7¹ × 79¹

Step-3: Factors of 5515

List of positive integer factors of 5515 that divides 5515 without a remainder.

1, 5, 1103

Step-4: Factors of 5530

List of positive integer factors of 5530 that divides 5515 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5515 and 5530. The biggest common factor number is the GCF number.
So the greatest common factor 5515 and 5530 is 5.

Also check out the Least Common Multiple of 5515 and 5530