What is the Greatest Common Factor of 4020 and 4029?

Greatest common factor (GCF) of 4020 and 4029 is 3.

GCF(4020,4029) = 3

We will now calculate the prime factors of 4020 and 4029, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4020 and 4029.

How to find the GCF of 4020 and 4029?

We will first find the prime factorization of 4020 and 4029. After we will calculate the factors of 4020 and 4029 and find the biggest common factor number .

Step-1: Prime Factorization of 4020

Prime factors of 4020 are 2, 3, 5, 67. Prime factorization of 4020 in exponential form is:

4020 = 2² × 3¹ × 5¹ × 67¹

Step-2: Prime Factorization of 4029

Prime factors of 4029 are 3, 17, 79. Prime factorization of 4029 in exponential form is:

4029 = 3¹ × 17¹ × 79¹

Step-3: Factors of 4020

List of positive integer factors of 4020 that divides 4020 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010

Step-4: Factors of 4029

List of positive integer factors of 4029 that divides 4020 without a remainder.

1, 3, 17, 51, 79, 237, 1343

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4020 and 4029. The biggest common factor number is the GCF number.
So the greatest common factor 4020 and 4029 is 3.

Also check out the Least Common Multiple of 4020 and 4029