What is the Greatest Common Factor of 2721 and 2740?

Greatest common factor (GCF) of 2721 and 2740 is 1.

GCF(2721,2740) = 1

We will now calculate the prime factors of 2721 and 2740, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2721 and 2740.

How to find the GCF of 2721 and 2740?

We will first find the prime factorization of 2721 and 2740. After we will calculate the factors of 2721 and 2740 and find the biggest common factor number .

Step-1: Prime Factorization of 2721

Prime factors of 2721 are 3, 907. Prime factorization of 2721 in exponential form is:

2721 = 3¹ × 907¹

Step-2: Prime Factorization of 2740

Prime factors of 2740 are 2, 5, 137. Prime factorization of 2740 in exponential form is:

2740 = 2² × 5¹ × 137¹

Step-3: Factors of 2721

List of positive integer factors of 2721 that divides 2721 without a remainder.

1, 3, 907

Step-4: Factors of 2740

List of positive integer factors of 2740 that divides 2721 without a remainder.

1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2721 and 2740. The biggest common factor number is the GCF number.
So the greatest common factor 2721 and 2740 is 1.

Also check out the Least Common Multiple of 2721 and 2740