What is the Greatest Common Factor of 16505 and 16520?

Greatest common factor (GCF) of 16505 and 16520 is 5.

GCF(16505,16520) = 5

We will now calculate the prime factors of 16505 and 16520, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16505 and 16520.

How to find the GCF of 16505 and 16520?

We will first find the prime factorization of 16505 and 16520. After we will calculate the factors of 16505 and 16520 and find the biggest common factor number .

Step-1: Prime Factorization of 16505

Prime factors of 16505 are 5, 3301. Prime factorization of 16505 in exponential form is:

16505 = 5¹ × 3301¹

Step-2: Prime Factorization of 16520

Prime factors of 16520 are 2, 5, 7, 59. Prime factorization of 16520 in exponential form is:

16520 = 2³ × 5¹ × 7¹ × 59¹

Step-3: Factors of 16505

List of positive integer factors of 16505 that divides 16505 without a remainder.

1, 5, 3301

Step-4: Factors of 16520

List of positive integer factors of 16520 that divides 16505 without a remainder.

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 1180, 1652, 2065, 2360, 3304, 4130, 8260

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16505 and 16520. The biggest common factor number is the GCF number.
So the greatest common factor 16505 and 16520 is 5.

Also check out the Least Common Multiple of 16505 and 16520