What is the Greatest Common Factor of 68020 and 68039?

Greatest common factor (GCF) of 68020 and 68039 is 19.

GCF(68020,68039) = 19

We will now calculate the prime factors of 68020 and 68039, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68020 and 68039.

How to find the GCF of 68020 and 68039?

We will first find the prime factorization of 68020 and 68039. After we will calculate the factors of 68020 and 68039 and find the biggest common factor number .

Step-1: Prime Factorization of 68020

Prime factors of 68020 are 2, 5, 19, 179. Prime factorization of 68020 in exponential form is:

68020 = 2² × 5¹ × 19¹ × 179¹

Step-2: Prime Factorization of 68039

Prime factors of 68039 are 19, 3581. Prime factorization of 68039 in exponential form is:

68039 = 19¹ × 3581¹

Step-3: Factors of 68020

List of positive integer factors of 68020 that divides 68020 without a remainder.

1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 179, 190, 358, 380, 716, 895, 1790, 3401, 3580, 6802, 13604, 17005, 34010

Step-4: Factors of 68039

List of positive integer factors of 68039 that divides 68020 without a remainder.

1, 19, 3581

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68020 and 68039. The biggest common factor number is the GCF number.
So the greatest common factor 68020 and 68039 is 19.

Also check out the Least Common Multiple of 68020 and 68039