What is the Greatest Common Factor of 5615 and 5621?

Greatest common factor (GCF) of 5615 and 5621 is 1.

GCF(5615,5621) = 1

We will now calculate the prime factors of 5615 and 5621, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5615 and 5621.

How to find the GCF of 5615 and 5621?

We will first find the prime factorization of 5615 and 5621. After we will calculate the factors of 5615 and 5621 and find the biggest common factor number .

Step-1: Prime Factorization of 5615

Prime factors of 5615 are 5, 1123. Prime factorization of 5615 in exponential form is:

5615 = 5¹ × 1123¹

Step-2: Prime Factorization of 5621

Prime factors of 5621 are 7, 11, 73. Prime factorization of 5621 in exponential form is:

5621 = 7¹ × 11¹ × 73¹

Step-3: Factors of 5615

List of positive integer factors of 5615 that divides 5615 without a remainder.

1, 5, 1123

Step-4: Factors of 5621

List of positive integer factors of 5621 that divides 5615 without a remainder.

1, 7, 11, 73, 77, 511, 803

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5615 and 5621. The biggest common factor number is the GCF number.
So the greatest common factor 5615 and 5621 is 1.

Also check out the Least Common Multiple of 5615 and 5621