What is the Greatest Common Factor of 2645 and 2649?

Greatest common factor (GCF) of 2645 and 2649 is 1.

GCF(2645,2649) = 1

We will now calculate the prime factors of 2645 and 2649, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2645 and 2649.

How to find the GCF of 2645 and 2649?

We will first find the prime factorization of 2645 and 2649. After we will calculate the factors of 2645 and 2649 and find the biggest common factor number .

Step-1: Prime Factorization of 2645

Prime factors of 2645 are 5, 23. Prime factorization of 2645 in exponential form is:

2645 = 5¹ × 23²

Step-2: Prime Factorization of 2649

Prime factors of 2649 are 3, 883. Prime factorization of 2649 in exponential form is:

2649 = 3¹ × 883¹

Step-3: Factors of 2645

List of positive integer factors of 2645 that divides 2645 without a remainder.

1, 5, 23, 115, 529

Step-4: Factors of 2649

List of positive integer factors of 2649 that divides 2645 without a remainder.

1, 3, 883

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2645 and 2649. The biggest common factor number is the GCF number.
So the greatest common factor 2645 and 2649 is 1.

Also check out the Least Common Multiple of 2645 and 2649