What is the Greatest Common Factor of 3040 and 3055?

Greatest common factor (GCF) of 3040 and 3055 is 5.

GCF(3040,3055) = 5

We will now calculate the prime factors of 3040 and 3055, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3040 and 3055.

How to find the GCF of 3040 and 3055?

We will first find the prime factorization of 3040 and 3055. After we will calculate the factors of 3040 and 3055 and find the biggest common factor number .

Step-1: Prime Factorization of 3040

Prime factors of 3040 are 2, 5, 19. Prime factorization of 3040 in exponential form is:

3040 = 2⁵ × 5¹ × 19¹

Step-2: Prime Factorization of 3055

Prime factors of 3055 are 5, 13, 47. Prime factorization of 3055 in exponential form is:

3055 = 5¹ × 13¹ × 47¹

Step-3: Factors of 3040

List of positive integer factors of 3040 that divides 3040 without a remainder.

1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520

Step-4: Factors of 3055

List of positive integer factors of 3055 that divides 3040 without a remainder.

1, 5, 13, 47, 65, 235, 611

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3040 and 3055. The biggest common factor number is the GCF number.
So the greatest common factor 3040 and 3055 is 5.

Also check out the Least Common Multiple of 3040 and 3055