What is the Greatest Common Factor of 30920 and 30939?

Greatest common factor (GCF) of 30920 and 30939 is 1.

GCF(30920,30939) = 1

We will now calculate the prime factors of 30920 and 30939, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30920 and 30939.

How to find the GCF of 30920 and 30939?

We will first find the prime factorization of 30920 and 30939. After we will calculate the factors of 30920 and 30939 and find the biggest common factor number .

Step-1: Prime Factorization of 30920

Prime factors of 30920 are 2, 5, 773. Prime factorization of 30920 in exponential form is:

30920 = 2³ × 5¹ × 773¹

Step-2: Prime Factorization of 30939

Prime factors of 30939 are 3, 10313. Prime factorization of 30939 in exponential form is:

30939 = 3¹ × 10313¹

Step-3: Factors of 30920

List of positive integer factors of 30920 that divides 30920 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 773, 1546, 3092, 3865, 6184, 7730, 15460

Step-4: Factors of 30939

List of positive integer factors of 30939 that divides 30920 without a remainder.

1, 3, 10313

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30920 and 30939. The biggest common factor number is the GCF number.
So the greatest common factor 30920 and 30939 is 1.

Also check out the Least Common Multiple of 30920 and 30939