What is the Greatest Common Factor of 13011 and 13020?

Greatest common factor (GCF) of 13011 and 13020 is 3.

GCF(13011,13020) = 3

We will now calculate the prime factors of 13011 and 13020, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13011 and 13020.

How to find the GCF of 13011 and 13020?

We will first find the prime factorization of 13011 and 13020. After we will calculate the factors of 13011 and 13020 and find the biggest common factor number .

Step-1: Prime Factorization of 13011

Prime factors of 13011 are 3, 4337. Prime factorization of 13011 in exponential form is:

13011 = 3¹ × 4337¹

Step-2: Prime Factorization of 13020

Prime factors of 13020 are 2, 3, 5, 7, 31. Prime factorization of 13020 in exponential form is:

13020 = 2² × 3¹ × 5¹ × 7¹ × 31¹

Step-3: Factors of 13011

List of positive integer factors of 13011 that divides 13011 without a remainder.

1, 3, 4337

Step-4: Factors of 13020

List of positive integer factors of 13020 that divides 13011 without a remainder.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13011 and 13020. The biggest common factor number is the GCF number.
So the greatest common factor 13011 and 13020 is 3.

Also check out the Least Common Multiple of 13011 and 13020