What is the Greatest Common Factor of 5638 and 5642?

Greatest common factor (GCF) of 5638 and 5642 is 2.

GCF(5638,5642) = 2

We will now calculate the prime factors of 5638 and 5642, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5638 and 5642.

How to find the GCF of 5638 and 5642?

We will first find the prime factorization of 5638 and 5642. After we will calculate the factors of 5638 and 5642 and find the biggest common factor number .

Step-1: Prime Factorization of 5638

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

5638 = 2¹ × 2819¹

Step-2: Prime Factorization of 5642

Prime factors of 5642 are 2, 7, 13, 31. Prime factorization of 5642 in exponential form is:

5642 = 2¹ × 7¹ × 13¹ × 31¹

Step-3: Factors of 5638

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

1, 2, 2819

Step-4: Factors of 5642

List of positive integer factors of 5642 that divides 5638 without a remainder.

1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5638 and 5642. The biggest common factor number is the GCF number.
So the greatest common factor 5638 and 5642 is 2.

Also check out the Least Common Multiple of 5638 and 5642