What is the Greatest Common Factor of 74040 and 74055?

Greatest common factor (GCF) of 74040 and 74055 is 15.

GCF(74040,74055) = 15

We will now calculate the prime factors of 74040 and 74055, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74040 and 74055.

How to find the GCF of 74040 and 74055?

We will first find the prime factorization of 74040 and 74055. After we will calculate the factors of 74040 and 74055 and find the biggest common factor number .

Step-1: Prime Factorization of 74040

Prime factors of 74040 are 2, 3, 5, 617. Prime factorization of 74040 in exponential form is:

74040 = 2³ × 3¹ × 5¹ × 617¹

Step-2: Prime Factorization of 74055

Prime factors of 74055 are 3, 5, 4937. Prime factorization of 74055 in exponential form is:

74055 = 3¹ × 5¹ × 4937¹

Step-3: Factors of 74040

List of positive integer factors of 74040 that divides 74040 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 617, 1234, 1851, 2468, 3085, 3702, 4936, 6170, 7404, 9255, 12340, 14808, 18510, 24680, 37020

Step-4: Factors of 74055

List of positive integer factors of 74055 that divides 74040 without a remainder.

1, 3, 5, 15, 4937, 14811, 24685

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74040 and 74055. The biggest common factor number is the GCF number.
So the greatest common factor 74040 and 74055 is 15.

Also check out the Least Common Multiple of 74040 and 74055