What is the Greatest Common Factor of 4040 and 4060?

Greatest common factor (GCF) of 4040 and 4060 is 20.

GCF(4040,4060) = 20

We will now calculate the prime factors of 4040 and 4060, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4040 and 4060.

How to find the GCF of 4040 and 4060?

We will first find the prime factorization of 4040 and 4060. After we will calculate the factors of 4040 and 4060 and find the biggest common factor number .

Step-1: Prime Factorization of 4040

Prime factors of 4040 are 2, 5, 101. Prime factorization of 4040 in exponential form is:

4040 = 2³ × 5¹ × 101¹

Step-2: Prime Factorization of 4060

Prime factors of 4060 are 2, 5, 7, 29. Prime factorization of 4060 in exponential form is:

4060 = 2² × 5¹ × 7¹ × 29¹

Step-3: Factors of 4040

List of positive integer factors of 4040 that divides 4040 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020

Step-4: Factors of 4060

List of positive integer factors of 4060 that divides 4040 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4040 and 4060. The biggest common factor number is the GCF number.
So the greatest common factor 4040 and 4060 is 20.

Also check out the Least Common Multiple of 4040 and 4060