What is the Greatest Common Factor of 3638 and 3642?

Greatest common factor (GCF) of 3638 and 3642 is 2.

GCF(3638,3642) = 2

We will now calculate the prime factors of 3638 and 3642, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3638 and 3642.

How to find the GCF of 3638 and 3642?

We will first find the prime factorization of 3638 and 3642. After we will calculate the factors of 3638 and 3642 and find the biggest common factor number .

Step-1: Prime Factorization of 3638

Prime factors of 3638 are 2, 17, 107. Prime factorization of 3638 in exponential form is:

3638 = 2¹ × 17¹ × 107¹

Step-2: Prime Factorization of 3642

Prime factors of 3642 are 2, 3, 607. Prime factorization of 3642 in exponential form is:

3642 = 2¹ × 3¹ × 607¹

Step-3: Factors of 3638

List of positive integer factors of 3638 that divides 3638 without a remainder.

1, 2, 17, 34, 107, 214, 1819

Step-4: Factors of 3642

List of positive integer factors of 3642 that divides 3638 without a remainder.

1, 2, 3, 6, 607, 1214, 1821

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3638 and 3642. The biggest common factor number is the GCF number.
So the greatest common factor 3638 and 3642 is 2.

Also check out the Least Common Multiple of 3638 and 3642