What is the Greatest Common Factor of 4040 and 4047?

Greatest common factor (GCF) of 4040 and 4047 is 1.

GCF(4040,4047) = 1

We will now calculate the prime factors of 4040 and 4047, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4040 and 4047.

How to find the GCF of 4040 and 4047?

We will first find the prime factorization of 4040 and 4047. After we will calculate the factors of 4040 and 4047 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 4047

Prime factors of 4047 are 3, 19, 71. Prime factorization of 4047 in exponential form is:

4047 = 3¹ × 19¹ × 71¹

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 4047

List of positive integer factors of 4047 that divides 4040 without a remainder.

1, 3, 19, 57, 71, 213, 1349

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4040 and 4047. The biggest common factor number is the GCF number.
So the greatest common factor 4040 and 4047 is 1.

Also check out the Least Common Multiple of 4040 and 4047