What is the Greatest Common Factor of 5620 and 5638?

Greatest common factor (GCF) of 5620 and 5638 is 2.

GCF(5620,5638) = 2

We will now calculate the prime factors of 5620 and 5638, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5620 and 5638.

How to find the GCF of 5620 and 5638?

We will first find the prime factorization of 5620 and 5638. After we will calculate the factors of 5620 and 5638 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 5638

Prime factors of 5638 are 2, 2819. Prime factorization of 5638 in exponential form is:

5638 = 2¹ × 2819¹

Step-3: Factors of 5620

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

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

Step-4: Factors of 5638

List of positive integer factors of 5638 that divides 5620 without a remainder.

1, 2, 2819

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5620 and 5638. The biggest common factor number is the GCF number.
So the greatest common factor 5620 and 5638 is 2.

Also check out the Least Common Multiple of 5620 and 5638