What is the Greatest Common Factor of 30876 and 30880?

Greatest common factor (GCF) of 30876 and 30880 is 4.

GCF(30876,30880) = 4

We will now calculate the prime factors of 30876 and 30880, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30876 and 30880.

How to find the GCF of 30876 and 30880?

We will first find the prime factorization of 30876 and 30880. After we will calculate the factors of 30876 and 30880 and find the biggest common factor number .

Step-1: Prime Factorization of 30876

Prime factors of 30876 are 2, 3, 31, 83. Prime factorization of 30876 in exponential form is:

30876 = 2² × 3¹ × 31¹ × 83¹

Step-2: Prime Factorization of 30880

Prime factors of 30880 are 2, 5, 193. Prime factorization of 30880 in exponential form is:

30880 = 2⁵ × 5¹ × 193¹

Step-3: Factors of 30876

List of positive integer factors of 30876 that divides 30876 without a remainder.

1, 2, 3, 4, 6, 12, 31, 62, 83, 93, 124, 166, 186, 249, 332, 372, 498, 996, 2573, 5146, 7719, 10292, 15438

Step-4: Factors of 30880

List of positive integer factors of 30880 that divides 30876 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 6176, 7720, 15440

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30876 and 30880. The biggest common factor number is the GCF number.
So the greatest common factor 30876 and 30880 is 4.

Also check out the Least Common Multiple of 30876 and 30880