What is the Greatest Common Factor of 3081 and 3090?

Greatest common factor (GCF) of 3081 and 3090 is 3.

GCF(3081,3090) = 3

We will now calculate the prime factors of 3081 and 3090, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3081 and 3090.

How to find the GCF of 3081 and 3090?

We will first find the prime factorization of 3081 and 3090. After we will calculate the factors of 3081 and 3090 and find the biggest common factor number .

Step-1: Prime Factorization of 3081

Prime factors of 3081 are 3, 13, 79. Prime factorization of 3081 in exponential form is:

3081 = 3¹ × 13¹ × 79¹

Step-2: Prime Factorization of 3090

Prime factors of 3090 are 2, 3, 5, 103. Prime factorization of 3090 in exponential form is:

3090 = 2¹ × 3¹ × 5¹ × 103¹

Step-3: Factors of 3081

List of positive integer factors of 3081 that divides 3081 without a remainder.

1, 3, 13, 39, 79, 237, 1027

Step-4: Factors of 3090

List of positive integer factors of 3090 that divides 3081 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 309, 515, 618, 1030, 1545

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3081 and 3090. The biggest common factor number is the GCF number.
So the greatest common factor 3081 and 3090 is 3.

Also check out the Least Common Multiple of 3081 and 3090