What is the Greatest Common Factor of 74305 and 74320?

Greatest common factor (GCF) of 74305 and 74320 is 5.

GCF(74305,74320) = 5

We will now calculate the prime factors of 74305 and 74320, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74305 and 74320.

How to find the GCF of 74305 and 74320?

We will first find the prime factorization of 74305 and 74320. After we will calculate the factors of 74305 and 74320 and find the biggest common factor number .

Step-1: Prime Factorization of 74305

Prime factors of 74305 are 5, 7, 11, 193. Prime factorization of 74305 in exponential form is:

74305 = 5¹ × 7¹ × 11¹ × 193¹

Step-2: Prime Factorization of 74320

Prime factors of 74320 are 2, 5, 929. Prime factorization of 74320 in exponential form is:

74320 = 2⁴ × 5¹ × 929¹

Step-3: Factors of 74305

List of positive integer factors of 74305 that divides 74305 without a remainder.

1, 5, 7, 11, 35, 55, 77, 193, 385, 965, 1351, 2123, 6755, 10615, 14861

Step-4: Factors of 74320

List of positive integer factors of 74320 that divides 74305 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 929, 1858, 3716, 4645, 7432, 9290, 14864, 18580, 37160

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74305 and 74320. The biggest common factor number is the GCF number.
So the greatest common factor 74305 and 74320 is 5.

Also check out the Least Common Multiple of 74305 and 74320