What is the Greatest Common Factor of 74165 and 74172?

Greatest common factor (GCF) of 74165 and 74172 is 7.

GCF(74165,74172) = 7

We will now calculate the prime factors of 74165 and 74172, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74165 and 74172.

How to find the GCF of 74165 and 74172?

We will first find the prime factorization of 74165 and 74172. After we will calculate the factors of 74165 and 74172 and find the biggest common factor number .

Step-1: Prime Factorization of 74165

Prime factors of 74165 are 5, 7, 13, 163. Prime factorization of 74165 in exponential form is:

74165 = 5¹ × 7¹ × 13¹ × 163¹

Step-2: Prime Factorization of 74172

Prime factors of 74172 are 2, 3, 7, 883. Prime factorization of 74172 in exponential form is:

74172 = 2² × 3¹ × 7¹ × 883¹

Step-3: Factors of 74165

List of positive integer factors of 74165 that divides 74165 without a remainder.

1, 5, 7, 13, 35, 65, 91, 163, 455, 815, 1141, 2119, 5705, 10595, 14833

Step-4: Factors of 74172

List of positive integer factors of 74172 that divides 74165 without a remainder.

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 883, 1766, 2649, 3532, 5298, 6181, 10596, 12362, 18543, 24724, 37086

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74165 and 74172. The biggest common factor number is the GCF number.
So the greatest common factor 74165 and 74172 is 7.

Also check out the Least Common Multiple of 74165 and 74172