What is the Greatest Common Factor of 2639 and 2643?

Greatest common factor (GCF) of 2639 and 2643 is 1.

GCF(2639,2643) = 1

We will now calculate the prime factors of 2639 and 2643, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2639 and 2643.

How to find the GCF of 2639 and 2643?

We will first find the prime factorization of 2639 and 2643. After we will calculate the factors of 2639 and 2643 and find the biggest common factor number .

Step-1: Prime Factorization of 2639

Prime factors of 2639 are 7, 13, 29. Prime factorization of 2639 in exponential form is:

2639 = 7¹ × 13¹ × 29¹

Step-2: Prime Factorization of 2643

Prime factors of 2643 are 3, 881. Prime factorization of 2643 in exponential form is:

2643 = 3¹ × 881¹

Step-3: Factors of 2639

List of positive integer factors of 2639 that divides 2639 without a remainder.

1, 7, 13, 29, 91, 203, 377

Step-4: Factors of 2643

List of positive integer factors of 2643 that divides 2639 without a remainder.

1, 3, 881

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2639 and 2643. The biggest common factor number is the GCF number.
So the greatest common factor 2639 and 2643 is 1.

Also check out the Least Common Multiple of 2639 and 2643