What is the Greatest Common Factor of 16520 and 16540?

Greatest common factor (GCF) of 16520 and 16540 is 20.

GCF(16520,16540) = 20

We will now calculate the prime factors of 16520 and 16540, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16520 and 16540.

How to find the GCF of 16520 and 16540?

We will first find the prime factorization of 16520 and 16540. After we will calculate the factors of 16520 and 16540 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 16540

Prime factors of 16540 are 2, 5, 827. Prime factorization of 16540 in exponential form is:

16540 = 2² × 5¹ × 827¹

Step-3: Factors of 16520

List of positive integer factors of 16520 that divides 16520 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

Step-4: Factors of 16540

List of positive integer factors of 16540 that divides 16520 without a remainder.

1, 2, 4, 5, 10, 20, 827, 1654, 3308, 4135, 8270

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16520 and 16540. The biggest common factor number is the GCF number.
So the greatest common factor 16520 and 16540 is 20.

Also check out the Least Common Multiple of 16520 and 16540