What is the Greatest Common Factor of 7420 and 7439?

Greatest common factor (GCF) of 7420 and 7439 is 1.

GCF(7420,7439) = 1

We will now calculate the prime factors of 7420 and 7439, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7420 and 7439.

How to find the GCF of 7420 and 7439?

We will first find the prime factorization of 7420 and 7439. After we will calculate the factors of 7420 and 7439 and find the biggest common factor number .

Step-1: Prime Factorization of 7420

Prime factors of 7420 are 2, 5, 7, 53. Prime factorization of 7420 in exponential form is:

7420 = 2² × 5¹ × 7¹ × 53¹

Step-2: Prime Factorization of 7439

Prime factors of 7439 are 43, 173. Prime factorization of 7439 in exponential form is:

7439 = 43¹ × 173¹

Step-3: Factors of 7420

List of positive integer factors of 7420 that divides 7420 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710

Step-4: Factors of 7439

List of positive integer factors of 7439 that divides 7420 without a remainder.

1, 43, 173

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7420 and 7439. The biggest common factor number is the GCF number.
So the greatest common factor 7420 and 7439 is 1.

Also check out the Least Common Multiple of 7420 and 7439