What is the Greatest Common Factor of 5603 and 5620?

Greatest common factor (GCF) of 5603 and 5620 is 1.

GCF(5603,5620) = 1

We will now calculate the prime factors of 5603 and 5620, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5603 and 5620.

How to find the GCF of 5603 and 5620?

We will first find the prime factorization of 5603 and 5620. After we will calculate the factors of 5603 and 5620 and find the biggest common factor number .

Step-1: Prime Factorization of 5603

Prime factors of 5603 are 13, 431. Prime factorization of 5603 in exponential form is:

5603 = 13¹ × 431¹

Step-2: Prime Factorization of 5620

Prime factors of 5620 are 2, 5, 281. Prime factorization of 5620 in exponential form is:

5620 = 2² × 5¹ × 281¹

Step-3: Factors of 5603

List of positive integer factors of 5603 that divides 5603 without a remainder.

1, 13, 431

Step-4: Factors of 5620

List of positive integer factors of 5620 that divides 5603 without a remainder.

1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5603 and 5620. The biggest common factor number is the GCF number.
So the greatest common factor 5603 and 5620 is 1.

Also check out the Least Common Multiple of 5603 and 5620