What is the Greatest Common Factor of 66065 and 66080?

Greatest common factor (GCF) of 66065 and 66080 is 5.

GCF(66065,66080) = 5

We will now calculate the prime factors of 66065 and 66080, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66065 and 66080.

How to find the GCF of 66065 and 66080?

We will first find the prime factorization of 66065 and 66080. After we will calculate the factors of 66065 and 66080 and find the biggest common factor number .

Step-1: Prime Factorization of 66065

Prime factors of 66065 are 5, 73, 181. Prime factorization of 66065 in exponential form is:

66065 = 5¹ × 73¹ × 181¹

Step-2: Prime Factorization of 66080

Prime factors of 66080 are 2, 5, 7, 59. Prime factorization of 66080 in exponential form is:

66080 = 2⁵ × 5¹ × 7¹ × 59¹

Step-3: Factors of 66065

List of positive integer factors of 66065 that divides 66065 without a remainder.

1, 5, 73, 181, 365, 905, 13213

Step-4: Factors of 66080

List of positive integer factors of 66080 that divides 66065 without a remainder.

1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 70, 80, 112, 118, 140, 160, 224, 236, 280, 295, 413, 472, 560, 590, 826, 944, 1120, 1180, 1652, 1888, 2065, 2360, 3304, 4130, 4720, 6608, 8260, 9440, 13216, 16520, 33040

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66065 and 66080. The biggest common factor number is the GCF number.
So the greatest common factor 66065 and 66080 is 5.

Also check out the Least Common Multiple of 66065 and 66080