What is the Greatest Common Factor of 30879 and 30889?

Greatest common factor (GCF) of 30879 and 30889 is 1.

GCF(30879,30889) = 1

We will now calculate the prime factors of 30879 and 30889, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30879 and 30889.

How to find the GCF of 30879 and 30889?

We will first find the prime factorization of 30879 and 30889. After we will calculate the factors of 30879 and 30889 and find the biggest common factor number .

Step-1: Prime Factorization of 30879

Prime factors of 30879 are 3, 47, 73. Prime factorization of 30879 in exponential form is:

30879 = 3² × 47¹ × 73¹

Step-2: Prime Factorization of 30889

Prime factors of 30889 are 17, 23, 79. Prime factorization of 30889 in exponential form is:

30889 = 17¹ × 23¹ × 79¹

Step-3: Factors of 30879

List of positive integer factors of 30879 that divides 30879 without a remainder.

1, 3, 9, 47, 73, 141, 219, 423, 657, 3431, 10293

Step-4: Factors of 30889

List of positive integer factors of 30889 that divides 30879 without a remainder.

1, 17, 23, 79, 391, 1343, 1817

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30879 and 30889. The biggest common factor number is the GCF number.
So the greatest common factor 30879 and 30889 is 1.

Also check out the Least Common Multiple of 30879 and 30889