What is the Greatest Common Factor of 74145 and 74155?

Greatest common factor (GCF) of 74145 and 74155 is 5.

GCF(74145,74155) = 5

We will now calculate the prime factors of 74145 and 74155, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74145 and 74155.

How to find the GCF of 74145 and 74155?

We will first find the prime factorization of 74145 and 74155. After we will calculate the factors of 74145 and 74155 and find the biggest common factor number .

Step-1: Prime Factorization of 74145

Prime factors of 74145 are 3, 5, 4943. Prime factorization of 74145 in exponential form is:

74145 = 3¹ × 5¹ × 4943¹

Step-2: Prime Factorization of 74155

Prime factors of 74155 are 5, 14831. Prime factorization of 74155 in exponential form is:

74155 = 5¹ × 14831¹

Step-3: Factors of 74145

List of positive integer factors of 74145 that divides 74145 without a remainder.

1, 3, 5, 15, 4943, 14829, 24715

Step-4: Factors of 74155

List of positive integer factors of 74155 that divides 74145 without a remainder.

1, 5, 14831

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74145 and 74155. The biggest common factor number is the GCF number.
So the greatest common factor 74145 and 74155 is 5.

Also check out the Least Common Multiple of 74145 and 74155